Home / 187,227.40-280,841.10-68,902.60

Finding the Fourth Proportional to 187,227.40, 280,841.10 and 68,902.60

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Solution

The fourth proportional to 187,227.40, 280,841.10 and 68,902.60 is: 103,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,227.40 : 280,841.10 = 68,902.60 : x
  2. Step 2: Convert to fraction form
    187,227.40/280,841.10 = 68,902.60/x
  3. Step 3: Cross multiply
    187,227.40x = 280,841.10 × 68,902.60
  4. Step 4: Simplify right side
    187,227.40x = 19,350,681,976.86
  5. Step 5: Solve for x
    x = 19,350,681,976.86/187,227.40
  6. Step 6: Final answer
    x = 103,353.90

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1.5x scale

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.