Home / 203,940.64-281,437.82-113,304.97

Finding the Fourth Proportional to 203,940.64, 281,437.82 and 113,304.97

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Solution

The fourth proportional to 203,940.64, 281,437.82 and 113,304.97 is: 156,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.64 : 281,437.82 = 113,304.97 : x
  2. Step 2: Convert to fraction form
    203,940.64/281,437.82 = 113,304.97/x
  3. Step 3: Cross multiply
    203,940.64x = 281,437.82 × 113,304.97
  4. Step 4: Simplify right side
    203,940.64x = 31,888,302,344.78
  5. Step 5: Solve for x
    x = 31,888,302,344.78/203,940.64
  6. Step 6: Final answer
    x = 156,360.71

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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.