Finding the Fourth Proportional to 132,299.57, 182,472.82 and 91,531.53
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Solution
The fourth proportional to 132,299.57, 182,472.82 and 91,531.53 is: 126,243.92
Step by Step Solution
- Step 1: Write the proportion equation
132,299.57 : 182,472.82 = 91,531.53 : x - Step 2: Convert to fraction form
132,299.57/182,472.82 = 91,531.53/x - Step 3: Cross multiply
132,299.57x = 182,472.82 × 91,531.53 - Step 4: Simplify right side
132,299.57x = 16,702,016,169.19 - Step 5: Solve for x
x = 16,702,016,169.19/132,299.57 - Step 6: Final answer
x = 126,243.92
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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.