Finding the Fourth Proportional to 179,640.91, 247,896.12 and 103,106.14
Calculator
Solution
The fourth proportional to 179,640.91, 247,896.12 and 103,106.14 is: 142,281.69
Step by Step Solution
- Step 1: Write the proportion equation
179,640.91 : 247,896.12 = 103,106.14 : x - Step 2: Convert to fraction form
179,640.91/247,896.12 = 103,106.14/x - Step 3: Cross multiply
179,640.91x = 247,896.12 × 103,106.14 - Step 4: Simplify right side
179,640.91x = 25,559,612,054.18 - Step 5: Solve for x
x = 25,559,612,054.18/179,640.91 - Step 6: Final answer
x = 142,281.69
Related Problems
Find fourth proportional to 89,820.46, 123,948.06 and 51,553.07
Half scale
Find fourth proportional to 359,281.82, 495,792.24 and 206,212.28
Double scale
Find fourth proportional to 179,641.91, 247,897.50 and 103,107.14
Similar ratio
Find fourth proportional to 269,461.37, 371,844.18 and 154,659.21
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.