Home / 203,747.20-281,165.85-113,100.81

Finding the Fourth Proportional to 203,747.20, 281,165.85 and 113,100.81

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Solution

The fourth proportional to 203,747.20, 281,165.85 and 113,100.81 is: 156,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,747.20 : 281,165.85 = 113,100.81 : x
  2. Step 2: Convert to fraction form
    203,747.20/281,165.85 = 113,100.81/x
  3. Step 3: Cross multiply
    203,747.20x = 281,165.85 × 113,100.81
  4. Step 4: Simplify right side
    203,747.20x = 31,800,084,324.97
  5. Step 5: Solve for x
    x = 31,800,084,324.97/203,747.20
  6. Step 6: Final answer
    x = 156,076.18

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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.