Home / 95,074.28-131,217.78-72,377

Finding the Fourth Proportional to 95,074.28, 131,217.78 and 72,377

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Solution

The fourth proportional to 95,074.28, 131,217.78 and 72,377 is: 99,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,074.28 : 131,217.78 = 72,377 : x
  2. Step 2: Convert to fraction form
    95,074.28/131,217.78 = 72,377/x
  3. Step 3: Cross multiply
    95,074.28x = 131,217.78 × 72,377
  4. Step 4: Simplify right side
    95,074.28x = 9,497,149,263.06
  5. Step 5: Solve for x
    x = 9,497,149,263.06/95,074.28
  6. Step 6: Final answer
    x = 99,891.89

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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.