Home / 203,474.20-280,760.18-135,592.52

Finding the Fourth Proportional to 203,474.20, 280,760.18 and 135,592.52

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Solution

The fourth proportional to 203,474.20, 280,760.18 and 135,592.52 is: 187,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,474.20 : 280,760.18 = 135,592.52 : x
  2. Step 2: Convert to fraction form
    203,474.20/280,760.18 = 135,592.52/x
  3. Step 3: Cross multiply
    203,474.20x = 280,760.18 × 135,592.52
  4. Step 4: Simplify right side
    203,474.20x = 38,068,980,321.85
  5. Step 5: Solve for x
    x = 38,068,980,321.85/203,474.20
  6. Step 6: Final answer
    x = 187,094.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.