Home / 141,471.62-195,229.82-77,808.05

Finding the Fourth Proportional to 141,471.62, 195,229.82 and 77,808.05

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Solution

The fourth proportional to 141,471.62, 195,229.82 and 77,808.05 is: 107,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,471.62 : 195,229.82 = 77,808.05 : x
  2. Step 2: Convert to fraction form
    141,471.62/195,229.82 = 77,808.05/x
  3. Step 3: Cross multiply
    141,471.62x = 195,229.82 × 77,808.05
  4. Step 4: Simplify right side
    141,471.62x = 15,190,451,207.01
  5. Step 5: Solve for x
    x = 15,190,451,207.01/141,471.62
  6. Step 6: Final answer
    x = 107,374.55

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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.