Home / 151,836.20-227,819.10-72,909.80

Finding the Fourth Proportional to 151,836.20, 227,819.10 and 72,909.80

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Solution

The fourth proportional to 151,836.20, 227,819.10 and 72,909.80 is: 109,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,836.20 : 227,819.10 = 72,909.80 : x
  2. Step 2: Convert to fraction form
    151,836.20/227,819.10 = 72,909.80/x
  3. Step 3: Cross multiply
    151,836.20x = 227,819.10 × 72,909.80
  4. Step 4: Simplify right side
    151,836.20x = 16,610,245,017.18
  5. Step 5: Solve for x
    x = 16,610,245,017.18/151,836.20
  6. Step 6: Final answer
    x = 109,395.82

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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.