Home / 226,711.20-339,843.60-126,919.20

Finding the Fourth Proportional to 226,711.20, 339,843.60 and 126,919.20

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Solution

The fourth proportional to 226,711.20, 339,843.60 and 126,919.20 is: 190,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,711.20 : 339,843.60 = 126,919.20 : x
  2. Step 2: Convert to fraction form
    226,711.20/339,843.60 = 126,919.20/x
  3. Step 3: Cross multiply
    226,711.20x = 339,843.60 × 126,919.20
  4. Step 4: Simplify right side
    226,711.20x = 43,132,677,837.12
  5. Step 5: Solve for x
    x = 43,132,677,837.12/226,711.20
  6. Step 6: Final answer
    x = 190,253.85

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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.