Home / 203,731.15-281,134.92-113,079.98

Finding the Fourth Proportional to 203,731.15, 281,134.92 and 113,079.98

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Solution

The fourth proportional to 203,731.15, 281,134.92 and 113,079.98 is: 156,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,731.15 : 281,134.92 = 113,079.98 : x
  2. Step 2: Convert to fraction form
    203,731.15/281,134.92 = 113,079.98/x
  3. Step 3: Cross multiply
    203,731.15x = 281,134.92 × 113,079.98
  4. Step 4: Simplify right side
    203,731.15x = 31,790,732,784.92
  5. Step 5: Solve for x
    x = 31,790,732,784.92/203,731.15
  6. Step 6: Final answer
    x = 156,042.57

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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.