Home / 90,997.68-136,496.88-27,817.56

Finding the Fourth Proportional to 90,997.68, 136,496.88 and 27,817.56

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Solution

The fourth proportional to 90,997.68, 136,496.88 and 27,817.56 is: 41,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.68 : 136,496.88 = 27,817.56 : x
  2. Step 2: Convert to fraction form
    90,997.68/136,496.88 = 27,817.56/x
  3. Step 3: Cross multiply
    90,997.68x = 136,496.88 × 27,817.56
  4. Step 4: Simplify right side
    90,997.68x = 3,797,010,149.21
  5. Step 5: Solve for x
    x = 3,797,010,149.21/90,997.68
  6. Step 6: Final answer
    x = 41,726.45

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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.