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Finding the Fourth Proportional to 100,108.73, 150,158.39 and 29,029.20

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Solution

The fourth proportional to 100,108.73, 150,158.39 and 29,029.20 is: 43,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,108.73 : 150,158.39 = 29,029.20 : x
  2. Step 2: Convert to fraction form
    100,108.73/150,158.39 = 29,029.20/x
  3. Step 3: Cross multiply
    100,108.73x = 150,158.39 × 29,029.20
  4. Step 4: Simplify right side
    100,108.73x = 4,358,978,007.56
  5. Step 5: Solve for x
    x = 4,358,978,007.56/100,108.73
  6. Step 6: Final answer
    x = 43,542.44

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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.