Finding the Fourth Proportional to 132,138.53, 182,351.28 and 71,709.17
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Solution
The fourth proportional to 132,138.53, 182,351.28 and 71,709.17 is: 98,958.72
Step by Step Solution
- Step 1: Write the proportion equation
132,138.53 : 182,351.28 = 71,709.17 : x - Step 2: Convert to fraction form
132,138.53/182,351.28 = 71,709.17/x - Step 3: Cross multiply
132,138.53x = 182,351.28 × 71,709.17 - Step 4: Simplify right side
132,138.53x = 13,076,258,937.24 - Step 5: Solve for x
x = 13,076,258,937.24/132,138.53 - Step 6: Final answer
x = 98,958.72
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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.