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Finding the Fourth Proportional to 150,003.60, 207,005.52 and 82,019.52

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Solution

The fourth proportional to 150,003.60, 207,005.52 and 82,019.52 is: 113,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.60 : 207,005.52 = 82,019.52 : x
  2. Step 2: Convert to fraction form
    150,003.60/207,005.52 = 82,019.52/x
  3. Step 3: Cross multiply
    150,003.60x = 207,005.52 × 82,019.52
  4. Step 4: Simplify right side
    150,003.60x = 16,978,493,387.75
  5. Step 5: Solve for x
    x = 16,978,493,387.75/150,003.60
  6. Step 6: Final answer
    x = 113,187.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.