Finding the Fourth Proportional to 116,874.07, 161,286.26 and 63,159.05
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Solution
The fourth proportional to 116,874.07, 161,286.26 and 63,159.05 is: 87,159.52
Step by Step Solution
- Step 1: Write the proportion equation
116,874.07 : 161,286.26 = 63,159.05 : x - Step 2: Convert to fraction form
116,874.07/161,286.26 = 63,159.05/x - Step 3: Cross multiply
116,874.07x = 161,286.26 × 63,159.05 - Step 4: Simplify right side
116,874.07x = 10,186,687,047.07 - Step 5: Solve for x
x = 10,186,687,047.07/116,874.07 - Step 6: Final answer
x = 87,159.52
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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.