Home / 141,489.82-195,251.85-77,827.62

Finding the Fourth Proportional to 141,489.82, 195,251.85 and 77,827.62

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Solution

The fourth proportional to 141,489.82, 195,251.85 and 77,827.62 is: 107,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,489.82 : 195,251.85 = 77,827.62 : x
  2. Step 2: Convert to fraction form
    141,489.82/195,251.85 = 77,827.62/x
  3. Step 3: Cross multiply
    141,489.82x = 195,251.85 × 77,827.62
  4. Step 4: Simplify right side
    141,489.82x = 15,195,986,786.10
  5. Step 5: Solve for x
    x = 15,195,986,786.10/141,489.82
  6. Step 6: Final answer
    x = 107,399.86

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1.5x scale

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.