Home / 87,156.62-130,734.96-27,997.10

Finding the Fourth Proportional to 87,156.62, 130,734.96 and 27,997.10

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Solution

The fourth proportional to 87,156.62, 130,734.96 and 27,997.10 is: 41,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.62 : 130,734.96 = 27,997.10 : x
  2. Step 2: Convert to fraction form
    87,156.62/130,734.96 = 27,997.10/x
  3. Step 3: Cross multiply
    87,156.62x = 130,734.96 × 27,997.10
  4. Step 4: Simplify right side
    87,156.62x = 3,660,199,748.62
  5. Step 5: Solve for x
    x = 3,660,199,748.62/87,156.62
  6. Step 6: Final answer
    x = 41,995.66

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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.