Finding the Fourth Proportional to 106,036.20, 158,937.66 and 43,672.68
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Solution
The fourth proportional to 106,036.20, 158,937.66 and 43,672.68 is: 65,460.98
Step by Step Solution
- Step 1: Write the proportion equation
106,036.20 : 158,937.66 = 43,672.68 : x - Step 2: Convert to fraction form
106,036.20/158,937.66 = 43,672.68/x - Step 3: Cross multiply
106,036.20x = 158,937.66 × 43,672.68 - Step 4: Simplify right side
106,036.20x = 6,941,233,565.13 - Step 5: Solve for x
x = 6,941,233,565.13/106,036.20 - Step 6: Final answer
x = 65,460.98
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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.