Finding the Fourth Proportional to 132,013.62, 182,176.56 and 74,652.03
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Solution
The fourth proportional to 132,013.62, 182,176.56 and 74,652.03 is: 103,018.54
Step by Step Solution
- Step 1: Write the proportion equation
132,013.62 : 182,176.56 = 74,652.03 : x - Step 2: Convert to fraction form
132,013.62/182,176.56 = 74,652.03/x - Step 3: Cross multiply
132,013.62x = 182,176.56 × 74,652.03 - Step 4: Simplify right side
132,013.62x = 13,599,850,022.42 - Step 5: Solve for x
x = 13,599,850,022.42/132,013.62 - Step 6: Final answer
x = 103,018.54
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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.