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Finding the Fourth Proportional to 150,560.64, 225,832.32 and 67,512.96

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Solution

The fourth proportional to 150,560.64, 225,832.32 and 67,512.96 is: 101,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,560.64 : 225,832.32 = 67,512.96 : x
  2. Step 2: Convert to fraction form
    150,560.64/225,832.32 = 67,512.96/x
  3. Step 3: Cross multiply
    150,560.64x = 225,832.32 × 67,512.96
  4. Step 4: Simplify right side
    150,560.64x = 15,246,608,386.87
  5. Step 5: Solve for x
    x = 15,246,608,386.87/150,560.64
  6. Step 6: Final answer
    x = 101,265.57

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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.