Home / 125,344.20-187,922.78-75,412.58

Finding the Fourth Proportional to 125,344.20, 187,922.78 and 75,412.58

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Solution

The fourth proportional to 125,344.20, 187,922.78 and 75,412.58 is: 113,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,344.20 : 187,922.78 = 75,412.58 : x
  2. Step 2: Convert to fraction form
    125,344.20/187,922.78 = 75,412.58/x
  3. Step 3: Cross multiply
    125,344.20x = 187,922.78 × 75,412.58
  4. Step 4: Simplify right side
    125,344.20x = 14,171,741,680.57
  5. Step 5: Solve for x
    x = 14,171,741,680.57/125,344.20
  6. Step 6: Final answer
    x = 113,062.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.