Home / 344,764.80-517,163.40-108,115.20

Finding the Fourth Proportional to 344,764.80, 517,163.40 and 108,115.20

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Solution

The fourth proportional to 344,764.80, 517,163.40 and 108,115.20 is: 162,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,764.80 : 517,163.40 = 108,115.20 : x
  2. Step 2: Convert to fraction form
    344,764.80/517,163.40 = 108,115.20/x
  3. Step 3: Cross multiply
    344,764.80x = 517,163.40 × 108,115.20
  4. Step 4: Simplify right side
    344,764.80x = 55,913,224,423.68
  5. Step 5: Solve for x
    x = 55,913,224,423.68/344,764.80
  6. Step 6: Final answer
    x = 162,177.88

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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.