Finding the Fourth Proportional to 132,172.38, 182,394.99 and 71,743.14
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Solution
The fourth proportional to 132,172.38, 182,394.99 and 71,743.14 is: 99,003.96
Step by Step Solution
- Step 1: Write the proportion equation
132,172.38 : 182,394.99 = 71,743.14 : x - Step 2: Convert to fraction form
132,172.38/182,394.99 = 71,743.14/x - Step 3: Cross multiply
132,172.38x = 182,394.99 × 71,743.14 - Step 4: Simplify right side
132,172.38x = 13,085,589,302.87 - Step 5: Solve for x
x = 13,085,589,302.87/132,172.38 - Step 6: Final answer
x = 99,003.96
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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.