Finding the Fourth Proportional to 159,935.26, 239,903.16 and 54,755.14
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Solution
The fourth proportional to 159,935.26, 239,903.16 and 54,755.14 is: 82,132.80
Step by Step Solution
- Step 1: Write the proportion equation
159,935.26 : 239,903.16 = 54,755.14 : x - Step 2: Convert to fraction form
159,935.26/239,903.16 = 54,755.14/x - Step 3: Cross multiply
159,935.26x = 239,903.16 × 54,755.14 - Step 4: Simplify right side
159,935.26x = 13,135,931,112.24 - Step 5: Solve for x
x = 13,135,931,112.24/159,935.26 - Step 6: Final answer
x = 82,132.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.