Finding the Fourth Proportional to 141,414.12, 195,147.37 and 80,165.99
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Solution
The fourth proportional to 141,414.12, 195,147.37 and 80,165.99 is: 110,626.73
Step by Step Solution
- Step 1: Write the proportion equation
141,414.12 : 195,147.37 = 80,165.99 : x - Step 2: Convert to fraction form
141,414.12/195,147.37 = 80,165.99/x - Step 3: Cross multiply
141,414.12x = 195,147.37 × 80,165.99 - Step 4: Simplify right side
141,414.12x = 15,644,181,236.42 - Step 5: Solve for x
x = 15,644,181,236.42/141,414.12 - Step 6: Final answer
x = 110,626.73
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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.