Finding the Fourth Proportional to 132,425.38, 182,750.64 and 72,000.09
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Solution
The fourth proportional to 132,425.38, 182,750.64 and 72,000.09 is: 99,362.09
Step by Step Solution
- Step 1: Write the proportion equation
132,425.38 : 182,750.64 = 72,000.09 : x - Step 2: Convert to fraction form
132,425.38/182,750.64 = 72,000.09/x - Step 3: Cross multiply
132,425.38x = 182,750.64 × 72,000.09 - Step 4: Simplify right side
132,425.38x = 13,158,062,527.56 - Step 5: Solve for x
x = 13,158,062,527.56/132,425.38 - Step 6: Final answer
x = 99,362.09
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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.