Home / 194,481.62-268,434.57-126,667.58

Finding the Fourth Proportional to 194,481.62, 268,434.57 and 126,667.58

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Solution

The fourth proportional to 194,481.62, 268,434.57 and 126,667.58 is: 174,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,481.62 : 268,434.57 = 126,667.58 : x
  2. Step 2: Convert to fraction form
    194,481.62/268,434.57 = 126,667.58/x
  3. Step 3: Cross multiply
    194,481.62x = 268,434.57 × 126,667.58
  4. Step 4: Simplify right side
    194,481.62x = 34,001,957,370.24
  5. Step 5: Solve for x
    x = 34,001,957,370.24/194,481.62
  6. Step 6: Final answer
    x = 174,833.78

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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.