Home / 87,998.54-131,682.49-76,193.04

Finding the Fourth Proportional to 87,998.54, 131,682.49 and 76,193.04

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Solution

The fourth proportional to 87,998.54, 131,682.49 and 76,193.04 is: 114,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,998.54 : 131,682.49 = 76,193.04 : x
  2. Step 2: Convert to fraction form
    87,998.54/131,682.49 = 76,193.04/x
  3. Step 3: Cross multiply
    87,998.54x = 131,682.49 × 76,193.04
  4. Step 4: Simplify right side
    87,998.54x = 10,033,289,227.87
  5. Step 5: Solve for x
    x = 10,033,289,227.87/87,998.54
  6. Step 6: Final answer
    x = 114,016.54

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1.5x scale

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.