Home / 95,149.10-131,181.26-81,863.06

Finding the Fourth Proportional to 95,149.10, 131,181.26 and 81,863.06

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Solution

The fourth proportional to 95,149.10, 131,181.26 and 81,863.06 is: 112,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,149.10 : 131,181.26 = 81,863.06 : x
  2. Step 2: Convert to fraction form
    95,149.10/131,181.26 = 81,863.06/x
  3. Step 3: Cross multiply
    95,149.10x = 131,181.26 × 81,863.06
  4. Step 4: Simplify right side
    95,149.10x = 10,738,899,358.26
  5. Step 5: Solve for x
    x = 10,738,899,358.26/95,149.10
  6. Step 6: Final answer
    x = 112,863.91

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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.