Home / 204,162.58-281,757.09-113,538.79

Finding the Fourth Proportional to 204,162.58, 281,757.09 and 113,538.79

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Solution

The fourth proportional to 204,162.58, 281,757.09 and 113,538.79 is: 156,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,162.58 : 281,757.09 = 113,538.79 : x
  2. Step 2: Convert to fraction form
    204,162.58/281,757.09 = 113,538.79/x
  3. Step 3: Cross multiply
    204,162.58x = 281,757.09 × 113,538.79
  4. Step 4: Simplify right side
    204,162.58x = 31,990,359,072.52
  5. Step 5: Solve for x
    x = 31,990,359,072.52/204,162.58
  6. Step 6: Final answer
    x = 156,690.61

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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.