Home / 87,509.87-131,264.79-25,180.37

Finding the Fourth Proportional to 87,509.87, 131,264.79 and 25,180.37

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Solution

The fourth proportional to 87,509.87, 131,264.79 and 25,180.37 is: 37,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,509.87 : 131,264.79 = 25,180.37 : x
  2. Step 2: Convert to fraction form
    87,509.87/131,264.79 = 25,180.37/x
  3. Step 3: Cross multiply
    87,509.87x = 131,264.79 × 25,180.37
  4. Step 4: Simplify right side
    87,509.87x = 3,305,295,323.85
  5. Step 5: Solve for x
    x = 3,305,295,323.85/87,509.87
  6. Step 6: Final answer
    x = 37,770.55

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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.