Home / 129,899.43-194,854.68-41,150.97

Finding the Fourth Proportional to 129,899.43, 194,854.68 and 41,150.97

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Solution

The fourth proportional to 129,899.43, 194,854.68 and 41,150.97 is: 61,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,899.43 : 194,854.68 = 41,150.97 : x
  2. Step 2: Convert to fraction form
    129,899.43/194,854.68 = 41,150.97/x
  3. Step 3: Cross multiply
    129,899.43x = 194,854.68 × 41,150.97
  4. Step 4: Simplify right side
    129,899.43x = 8,018,459,091.04
  5. Step 5: Solve for x
    x = 8,018,459,091.04/129,899.43
  6. Step 6: Final answer
    x = 61,728.21

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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.