Finding the Fourth Proportional to 106,034.24, 158,967.92 and 72,652.52
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Solution
The fourth proportional to 106,034.24, 158,967.92 and 72,652.52 is: 108,921.61
Step by Step Solution
- Step 1: Write the proportion equation
106,034.24 : 158,967.92 = 72,652.52 : x - Step 2: Convert to fraction form
106,034.24/158,967.92 = 72,652.52/x - Step 3: Cross multiply
106,034.24x = 158,967.92 × 72,652.52 - Step 4: Simplify right side
106,034.24x = 11,549,419,987.16 - Step 5: Solve for x
x = 11,549,419,987.16/106,034.24 - Step 6: Final answer
x = 108,921.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.