Finding the Fourth Proportional to 132,351.71, 182,615.85 and 74,986.02
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Solution
The fourth proportional to 132,351.71, 182,615.85 and 74,986.02 is: 103,463.99
Step by Step Solution
- Step 1: Write the proportion equation
132,351.71 : 182,615.85 = 74,986.02 : x - Step 2: Convert to fraction form
132,351.71/182,615.85 = 74,986.02/x - Step 3: Cross multiply
132,351.71x = 182,615.85 × 74,986.02 - Step 4: Simplify right side
132,351.71x = 13,693,635,780.42 - Step 5: Solve for x
x = 13,693,635,780.42/132,351.71 - Step 6: Final answer
x = 103,463.99
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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.