Finding the Fourth Proportional to 132,522.18, 182,948.34 and 102,239.52
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Solution
The fourth proportional to 132,522.18, 182,948.34 and 102,239.52 is: 141,142.79
Step by Step Solution
- Step 1: Write the proportion equation
132,522.18 : 182,948.34 = 102,239.52 : x - Step 2: Convert to fraction form
132,522.18/182,948.34 = 102,239.52/x - Step 3: Cross multiply
132,522.18x = 182,948.34 × 102,239.52 - Step 4: Simplify right side
132,522.18x = 18,704,550,466.40 - Step 5: Solve for x
x = 18,704,550,466.40/132,522.18 - Step 6: Final answer
x = 141,142.79
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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.