Home / 90,997.55-136,496.65-27,817.42

Finding the Fourth Proportional to 90,997.55, 136,496.65 and 27,817.42

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Solution

The fourth proportional to 90,997.55, 136,496.65 and 27,817.42 is: 41,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.55 : 136,496.65 = 27,817.42 : x
  2. Step 2: Convert to fraction form
    90,997.55/136,496.65 = 27,817.42/x
  3. Step 3: Cross multiply
    90,997.55x = 136,496.65 × 27,817.42
  4. Step 4: Simplify right side
    90,997.55x = 3,796,984,641.64
  5. Step 5: Solve for x
    x = 3,796,984,641.64/90,997.55
  6. Step 6: Final answer
    x = 41,726.23

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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.