Finding the Fourth Proportional to 120,781.44, 181,171.92 and 32,043.84
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Solution
The fourth proportional to 120,781.44, 181,171.92 and 32,043.84 is: 48,065.70
Step by Step Solution
- Step 1: Write the proportion equation
120,781.44 : 181,171.92 = 32,043.84 : x - Step 2: Convert to fraction form
120,781.44/181,171.92 = 32,043.84/x - Step 3: Cross multiply
120,781.44x = 181,171.92 × 32,043.84 - Step 4: Simplify right side
120,781.44x = 5,805,444,016.97 - Step 5: Solve for x
x = 5,805,444,016.97/120,781.44 - Step 6: Final answer
x = 48,065.70
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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.