Answer: 14, 76, & 19
Step-by-step explanation:
Let x represent the third number, then
1st number: x - 5
2nd number: 4x
3rd number: x
(x - 5) + (4x) + (x) = 109
6x - 5 = 109
6x = 114
x = 19
1st number: x - 5 --> 19 - 5 = 14
2nd number: 4x --> 4(19) = 76
3rd number: x --> 19
