Home / 87,158.62-130,737.96-27,999.10

Finding the Fourth Proportional to 87,158.62, 130,737.96 and 27,999.10

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Solution

The fourth proportional to 87,158.62, 130,737.96 and 27,999.10 is: 41,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158.62 : 130,737.96 = 27,999.10 : x
  2. Step 2: Convert to fraction form
    87,158.62/130,737.96 = 27,999.10/x
  3. Step 3: Cross multiply
    87,158.62x = 130,737.96 × 27,999.10
  4. Step 4: Simplify right side
    87,158.62x = 3,660,545,215.84
  5. Step 5: Solve for x
    x = 3,660,545,215.84/87,158.62
  6. Step 6: Final answer
    x = 41,998.66

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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.