Home / 100,380.60-150,443.33-41,149.35

Finding the Fourth Proportional to 100,380.60, 150,443.33 and 41,149.35

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Solution

The fourth proportional to 100,380.60, 150,443.33 and 41,149.35 is: 61,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,380.60 : 150,443.33 = 41,149.35 : x
  2. Step 2: Convert to fraction form
    100,380.60/150,443.33 = 41,149.35/x
  3. Step 3: Cross multiply
    100,380.60x = 150,443.33 × 41,149.35
  4. Step 4: Simplify right side
    100,380.60x = 6,190,645,035.59
  5. Step 5: Solve for x
    x = 6,190,645,035.59/100,380.60
  6. Step 6: Final answer
    x = 61,671.73

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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.