Home / 203,738.62-281,145.22-113,087.46

Finding the Fourth Proportional to 203,738.62, 281,145.22 and 113,087.46

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Solution

The fourth proportional to 203,738.62, 281,145.22 and 113,087.46 is: 156,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,738.62 : 281,145.22 = 113,087.46 : x
  2. Step 2: Convert to fraction form
    203,738.62/281,145.22 = 113,087.46/x
  3. Step 3: Cross multiply
    203,738.62x = 281,145.22 × 113,087.46
  4. Step 4: Simplify right side
    203,738.62x = 31,793,998,820.94
  5. Step 5: Solve for x
    x = 31,793,998,820.94/203,738.62
  6. Step 6: Final answer
    x = 156,052.88

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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.