Home / 129,764.43-178,809.12-95,718.97

Finding the Fourth Proportional to 129,764.43, 178,809.12 and 95,718.97

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Solution

The fourth proportional to 129,764.43, 178,809.12 and 95,718.97 is: 131,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,764.43 : 178,809.12 = 95,718.97 : x
  2. Step 2: Convert to fraction form
    129,764.43/178,809.12 = 95,718.97/x
  3. Step 3: Cross multiply
    129,764.43x = 178,809.12 × 95,718.97
  4. Step 4: Simplify right side
    129,764.43x = 17,115,424,010.72
  5. Step 5: Solve for x
    x = 17,115,424,010.72/129,764.43
  6. Step 6: Final answer
    x = 131,896.11

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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.