Home / 203,851.43-281,324.31-113,207.80

Finding the Fourth Proportional to 203,851.43, 281,324.31 and 113,207.80

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Solution

The fourth proportional to 203,851.43, 281,324.31 and 113,207.80 is: 156,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,851.43 : 281,324.31 = 113,207.80 : x
  2. Step 2: Convert to fraction form
    203,851.43/281,324.31 = 113,207.80/x
  3. Step 3: Cross multiply
    203,851.43x = 281,324.31 × 113,207.80
  4. Step 4: Simplify right side
    203,851.43x = 31,848,107,367.68
  5. Step 5: Solve for x
    x = 31,848,107,367.68/203,851.43
  6. Step 6: Final answer
    x = 156,231.95

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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.