Home / 125,150.14-187,834.56-72,487.18

Finding the Fourth Proportional to 125,150.14, 187,834.56 and 72,487.18

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Solution

The fourth proportional to 125,150.14, 187,834.56 and 72,487.18 is: 108,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.14 : 187,834.56 = 72,487.18 : x
  2. Step 2: Convert to fraction form
    125,150.14/187,834.56 = 72,487.18/x
  3. Step 3: Cross multiply
    125,150.14x = 187,834.56 × 72,487.18
  4. Step 4: Simplify right side
    125,150.14x = 13,615,597,560.94
  5. Step 5: Solve for x
    x = 13,615,597,560.94/125,150.14
  6. Step 6: Final answer
    x = 108,794.11

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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.