Home / 151,340.20-227,139.90-67,229.80

Finding the Fourth Proportional to 151,340.20, 227,139.90 and 67,229.80

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Solution

The fourth proportional to 151,340.20, 227,139.90 and 67,229.80 is: 100,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,340.20 : 227,139.90 = 67,229.80 : x
  2. Step 2: Convert to fraction form
    151,340.20/227,139.90 = 67,229.80/x
  3. Step 3: Cross multiply
    151,340.20x = 227,139.90 × 67,229.80
  4. Step 4: Simplify right side
    151,340.20x = 15,270,570,049.02
  5. Step 5: Solve for x
    x = 15,270,570,049.02/151,340.20
  6. Step 6: Final answer
    x = 100,902.27

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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.