Home / 203,974.40-281,475.52-113,336.72

Finding the Fourth Proportional to 203,974.40, 281,475.52 and 113,336.72

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Solution

The fourth proportional to 203,974.40, 281,475.52 and 113,336.72 is: 156,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974.40 : 281,475.52 = 113,336.72 : x
  2. Step 2: Convert to fraction form
    203,974.40/281,475.52 = 113,336.72/x
  3. Step 3: Cross multiply
    203,974.40x = 281,475.52 × 113,336.72
  4. Step 4: Simplify right side
    203,974.40x = 31,901,512,197.09
  5. Step 5: Solve for x
    x = 31,901,512,197.09/203,974.40
  6. Step 6: Final answer
    x = 156,399.59

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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.