Home / 87,823.10-131,734.97-21,263.14

Finding the Fourth Proportional to 87,823.10, 131,734.97 and 21,263.14

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Solution

The fourth proportional to 87,823.10, 131,734.97 and 21,263.14 is: 31,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.10 : 131,734.97 = 21,263.14 : x
  2. Step 2: Convert to fraction form
    87,823.10/131,734.97 = 21,263.14/x
  3. Step 3: Cross multiply
    87,823.10x = 131,734.97 × 21,263.14
  4. Step 4: Simplify right side
    87,823.10x = 2,801,099,110.01
  5. Step 5: Solve for x
    x = 2,801,099,110.01/87,823.10
  6. Step 6: Final answer
    x = 31,894.79

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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.