Finding the Fourth Proportional to 132,393.54, 182,704.18 and 71,964.17
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Solution
The fourth proportional to 132,393.54, 182,704.18 and 71,964.17 is: 99,311.15
Step by Step Solution
- Step 1: Write the proportion equation
132,393.54 : 182,704.18 = 71,964.17 : x - Step 2: Convert to fraction form
132,393.54/182,704.18 = 71,964.17/x - Step 3: Cross multiply
132,393.54x = 182,704.18 × 71,964.17 - Step 4: Simplify right side
132,393.54x = 13,148,155,112.13 - Step 5: Solve for x
x = 13,148,155,112.13/132,393.54 - Step 6: Final answer
x = 99,311.15
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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.