Home / 151,287.20-227,060.40-67,176.80

Finding the Fourth Proportional to 151,287.20, 227,060.40 and 67,176.80

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Solution

The fourth proportional to 151,287.20, 227,060.40 and 67,176.80 is: 100,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,287.20 : 227,060.40 = 67,176.80 : x
  2. Step 2: Convert to fraction form
    151,287.20/227,060.40 = 67,176.80/x
  3. Step 3: Cross multiply
    151,287.20x = 227,060.40 × 67,176.80
  4. Step 4: Simplify right side
    151,287.20x = 15,253,191,078.72
  5. Step 5: Solve for x
    x = 15,253,191,078.72/151,287.20
  6. Step 6: Final answer
    x = 100,822.75

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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.