Home / 268,148.88-402,202.38-126,025.20

Finding the Fourth Proportional to 268,148.88, 402,202.38 and 126,025.20

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Solution

The fourth proportional to 268,148.88, 402,202.38 and 126,025.20 is: 189,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,148.88 : 402,202.38 = 126,025.20 : x
  2. Step 2: Convert to fraction form
    268,148.88/402,202.38 = 126,025.20/x
  3. Step 3: Cross multiply
    268,148.88x = 402,202.38 × 126,025.20
  4. Step 4: Simplify right side
    268,148.88x = 50,687,635,379.98
  5. Step 5: Solve for x
    x = 50,687,635,379.98/268,148.88
  6. Step 6: Final answer
    x = 189,027.96

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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.