Finding the Fourth Proportional to 132,432.24, 182,760.08 and 72,006.94
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Solution
The fourth proportional to 132,432.24, 182,760.08 and 72,006.94 is: 99,371.53
Step by Step Solution
- Step 1: Write the proportion equation
132,432.24 : 182,760.08 = 72,006.94 : x - Step 2: Convert to fraction form
132,432.24/182,760.08 = 72,006.94/x - Step 3: Cross multiply
132,432.24x = 182,760.08 × 72,006.94 - Step 4: Simplify right side
132,432.24x = 13,159,994,114.96 - Step 5: Solve for x
x = 13,159,994,114.96/132,432.24 - Step 6: Final answer
x = 99,371.53
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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.