Home / 129,900.43-194,856.18-41,151.97

Finding the Fourth Proportional to 129,900.43, 194,856.18 and 41,151.97

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Solution

The fourth proportional to 129,900.43, 194,856.18 and 41,151.97 is: 61,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,900.43 : 194,856.18 = 41,151.97 : x
  2. Step 2: Convert to fraction form
    129,900.43/194,856.18 = 41,151.97/x
  3. Step 3: Cross multiply
    129,900.43x = 194,856.18 × 41,151.97
  4. Step 4: Simplify right side
    129,900.43x = 8,018,715,673.67
  5. Step 5: Solve for x
    x = 8,018,715,673.67/129,900.43
  6. Step 6: Final answer
    x = 61,729.71

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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.