How to resize a Ubuntu partition

This How To covers the following scenario:
GParted is showing that I have the following partitions

Partition	File System	Size
/dev/sda1	ext4	92.09 GiB
/dev/sda2	extended	7.90 GiB
/dev/sda5	linux-swap	7.90 GiB
unallocated	unallocated	107.91 GiB

My goal is to use the whole unallocated partition

1. Add a device to the machine with the Ubuntu "burned" on it ( http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows )
2. Reboot the machine
3. Click Try Ubuntu
4. Press ALT + T
5. Type the following command:
   
   
   sudo gparted
   
   
6. Highlight the swap partition /dev/sda5
7. In the menu, click Partition
8. Click Swapoff
9. Highlight the swap partition /dev/sda5
10. In the menu, click Partition
11. Click Delete
12. Highlight the extended partition /dev/sda2
13. In the menu, click Partition
14. Click Delete
15. Highlight the partition that you want to resize /dev/sda1
16. In the menu, click Partition
17. Click Resize/Move
18. In Resize/Move /dev/sda1 window, expand the size to 100 GiB
19. Click Resize/Move
20. In the menu, click Partition
21. Click New
22. In Create new Partition window, change Create as to Extended Partition
23. Click Add
24. Highlight unallocated
25. In the menu, click Partition
26. Click New
27. In Create new Partition window, change Create as to Logical Partition
28. Change File System to linux-swap
29. Click Add
30. In the menu, click Edit
31. Click Apply All Operations
32. In Apply operations to device window, click Apply
33. Click Close

Source: http://www.howtogeek.com/114503/how-to-resize-your-ubuntu-partitions/