Home / 87,467.13-131,178.78-25,137.63

Finding the Fourth Proportional to 87,467.13, 131,178.78 and 25,137.63

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Solution

The fourth proportional to 87,467.13, 131,178.78 and 25,137.63 is: 37,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,467.13 : 131,178.78 = 25,137.63 : x
  2. Step 2: Convert to fraction form
    87,467.13/131,178.78 = 25,137.63/x
  3. Step 3: Cross multiply
    87,467.13x = 131,178.78 × 25,137.63
  4. Step 4: Simplify right side
    87,467.13x = 3,297,523,635.49
  5. Step 5: Solve for x
    x = 3,297,523,635.49/87,467.13
  6. Step 6: Final answer
    x = 37,700.15

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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.