Finding the Fourth Proportional to 137,552.24, 207,265.64 and 113,139.20
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Solution
The fourth proportional to 137,552.24, 207,265.64 and 113,139.20 is: 170,479.73
Step by Step Solution
- Step 1: Write the proportion equation
137,552.24 : 207,265.64 = 113,139.20 : x - Step 2: Convert to fraction form
137,552.24/207,265.64 = 113,139.20/x - Step 3: Cross multiply
137,552.24x = 207,265.64 × 113,139.20 - Step 4: Simplify right side
137,552.24x = 23,449,868,697.09 - Step 5: Solve for x
x = 23,449,868,697.09/137,552.24 - Step 6: Final answer
x = 170,479.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.