Home / 87,511.72-131,273.34-25,182.76

Finding the Fourth Proportional to 87,511.72, 131,273.34 and 25,182.76

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Solution

The fourth proportional to 87,511.72, 131,273.34 and 25,182.76 is: 37,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,511.72 : 131,273.34 = 25,182.76 : x
  2. Step 2: Convert to fraction form
    87,511.72/131,273.34 = 25,182.76/x
  3. Step 3: Cross multiply
    87,511.72x = 131,273.34 × 25,182.76
  4. Step 4: Simplify right side
    87,511.72x = 3,305,825,015.62
  5. Step 5: Solve for x
    x = 3,305,825,015.62/87,511.72
  6. Step 6: Final answer
    x = 37,775.80

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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.