Home / 129,932.44-194,898.66-31,436.44

Finding the Fourth Proportional to 129,932.44, 194,898.66 and 31,436.44

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Solution

The fourth proportional to 129,932.44, 194,898.66 and 31,436.44 is: 47,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,932.44 : 194,898.66 = 31,436.44 : x
  2. Step 2: Convert to fraction form
    129,932.44/194,898.66 = 31,436.44/x
  3. Step 3: Cross multiply
    129,932.44x = 194,898.66 × 31,436.44
  4. Step 4: Simplify right side
    129,932.44x = 6,126,919,426.04
  5. Step 5: Solve for x
    x = 6,126,919,426.04/129,932.44
  6. Step 6: Final answer
    x = 47,154.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.