Finding the Fourth Proportional to 132,134.92, 198,257.82 and 82,256.68
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Solution
The fourth proportional to 132,134.92, 198,257.82 and 82,256.68 is: 123,419.53
Step by Step Solution
- Step 1: Write the proportion equation
132,134.92 : 198,257.82 = 82,256.68 : x - Step 2: Convert to fraction form
132,134.92/198,257.82 = 82,256.68/x - Step 3: Cross multiply
132,134.92x = 198,257.82 × 82,256.68 - Step 4: Simplify right side
132,134.92x = 16,308,030,057.24 - Step 5: Solve for x
x = 16,308,030,057.24/132,134.92 - Step 6: Final answer
x = 123,419.53
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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.