Home / 95,148.09-131,179.89-81,862.06

Finding the Fourth Proportional to 95,148.09, 131,179.89 and 81,862.06

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Solution

The fourth proportional to 95,148.09, 131,179.89 and 81,862.06 is: 112,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,148.09 : 131,179.89 = 81,862.06 : x
  2. Step 2: Convert to fraction form
    95,148.09/131,179.89 = 81,862.06/x
  3. Step 3: Cross multiply
    95,148.09x = 131,179.89 × 81,862.06
  4. Step 4: Simplify right side
    95,148.09x = 10,738,656,025.97
  5. Step 5: Solve for x
    x = 10,738,656,025.97/95,148.09
  6. Step 6: Final answer
    x = 112,862.55

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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.