Home / 112,600.20-155,387.04-62,299.56

Finding the Fourth Proportional to 112,600.20, 155,387.04 and 62,299.56

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Solution

The fourth proportional to 112,600.20, 155,387.04 and 62,299.56 is: 85,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,600.20 : 155,387.04 = 62,299.56 : x
  2. Step 2: Convert to fraction form
    112,600.20/155,387.04 = 62,299.56/x
  3. Step 3: Cross multiply
    112,600.20x = 155,387.04 × 62,299.56
  4. Step 4: Simplify right side
    112,600.20x = 9,680,544,221.70
  5. Step 5: Solve for x
    x = 9,680,544,221.70/112,600.20
  6. Step 6: Final answer
    x = 85,972.71

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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.