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Finding the Fourth Proportional to 100,132.80, 150,086.20 and 40,936.17

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Solution

The fourth proportional to 100,132.80, 150,086.20 and 40,936.17 is: 61,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132.80 : 150,086.20 = 40,936.17 : x
  2. Step 2: Convert to fraction form
    100,132.80/150,086.20 = 40,936.17/x
  3. Step 3: Cross multiply
    100,132.80x = 150,086.20 × 40,936.17
  4. Step 4: Simplify right side
    100,132.80x = 6,143,954,197.85
  5. Step 5: Solve for x
    x = 6,143,954,197.85/100,132.80
  6. Step 6: Final answer
    x = 61,358.06

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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.