Finding the Fourth Proportional to 138,092.24, 207,007.14 and 88,031.82
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Solution
The fourth proportional to 138,092.24, 207,007.14 and 88,031.82 is: 131,964.08
Step by Step Solution
- Step 1: Write the proportion equation
138,092.24 : 207,007.14 = 88,031.82 : x - Step 2: Convert to fraction form
138,092.24/207,007.14 = 88,031.82/x - Step 3: Cross multiply
138,092.24x = 207,007.14 × 88,031.82 - Step 4: Simplify right side
138,092.24x = 18,223,215,287.19 - Step 5: Solve for x
x = 18,223,215,287.19/138,092.24 - Step 6: Final answer
x = 131,964.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.