Finding the Fourth Proportional to 125,691.68, 173,455.17 and 69,106.70
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Solution
The fourth proportional to 125,691.68, 173,455.17 and 69,106.70 is: 95,367.60
Step by Step Solution
- Step 1: Write the proportion equation
125,691.68 : 173,455.17 = 69,106.70 : x - Step 2: Convert to fraction form
125,691.68/173,455.17 = 69,106.70/x - Step 3: Cross multiply
125,691.68x = 173,455.17 × 69,106.70 - Step 4: Simplify right side
125,691.68x = 11,986,914,396.64 - Step 5: Solve for x
x = 11,986,914,396.64/125,691.68 - Step 6: Final answer
x = 95,367.60
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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.