Home / 141,687.18-195,476.99-80,397.90

Finding the Fourth Proportional to 141,687.18, 195,476.99 and 80,397.90

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Solution

The fourth proportional to 141,687.18, 195,476.99 and 80,397.90 is: 110,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,687.18 : 195,476.99 = 80,397.90 : x
  2. Step 2: Convert to fraction form
    141,687.18/195,476.99 = 80,397.90/x
  3. Step 3: Cross multiply
    141,687.18x = 195,476.99 × 80,397.90
  4. Step 4: Simplify right side
    141,687.18x = 15,715,939,092.33
  5. Step 5: Solve for x
    x = 15,715,939,092.33/141,687.18
  6. Step 6: Final answer
    x = 110,919.98

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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.