Finding the Fourth Proportional to 132,398.83, 182,668.39 and 82,126.99
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Solution
The fourth proportional to 132,398.83, 182,668.39 and 82,126.99 is: 113,309.20
Step by Step Solution
- Step 1: Write the proportion equation
132,398.83 : 182,668.39 = 82,126.99 : x - Step 2: Convert to fraction form
132,398.83/182,668.39 = 82,126.99/x - Step 3: Cross multiply
132,398.83x = 182,668.39 × 82,126.99 - Step 4: Simplify right side
132,398.83x = 15,002,005,038.85 - Step 5: Solve for x
x = 15,002,005,038.85/132,398.83 - Step 6: Final answer
x = 113,309.20
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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.