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Finding the Fourth Proportional to 100,149.55, 150,276.11 and 44,029.03

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Solution

The fourth proportional to 100,149.55, 150,276.11 and 44,029.03 is: 66,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,149.55 : 150,276.11 = 44,029.03 : x
  2. Step 2: Convert to fraction form
    100,149.55/150,276.11 = 44,029.03/x
  3. Step 3: Cross multiply
    100,149.55x = 150,276.11 × 44,029.03
  4. Step 4: Simplify right side
    100,149.55x = 6,616,511,355.47
  5. Step 5: Solve for x
    x = 6,616,511,355.47/100,149.55
  6. Step 6: Final answer
    x = 66,066.31

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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.