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Finding the Fourth Proportional to 100,205.96, 150,273.45 and 29,113.79

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Solution

The fourth proportional to 100,205.96, 150,273.45 and 29,113.79 is: 43,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,205.96 : 150,273.45 = 29,113.79 : x
  2. Step 2: Convert to fraction form
    100,205.96/150,273.45 = 29,113.79/x
  3. Step 3: Cross multiply
    100,205.96x = 150,273.45 × 29,113.79
  4. Step 4: Simplify right side
    100,205.96x = 4,375,029,665.88
  5. Step 5: Solve for x
    x = 4,375,029,665.88/100,205.96
  6. Step 6: Final answer
    x = 43,660.37

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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.