Home / 87,876.96-131,759.57-74,554.55

Finding the Fourth Proportional to 87,876.96, 131,759.57 and 74,554.55

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Solution

The fourth proportional to 87,876.96, 131,759.57 and 74,554.55 is: 111,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876.96 : 131,759.57 = 74,554.55 : x
  2. Step 2: Convert to fraction form
    87,876.96/131,759.57 = 74,554.55/x
  3. Step 3: Cross multiply
    87,876.96x = 131,759.57 × 74,554.55
  4. Step 4: Simplify right side
    87,876.96x = 9,823,274,790.75
  5. Step 5: Solve for x
    x = 9,823,274,790.75/87,876.96
  6. Step 6: Final answer
    x = 111,784.42

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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.