Home / 88,201.62-132,345.09-54,912.78

Finding the Fourth Proportional to 88,201.62, 132,345.09 and 54,912.78

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Solution

The fourth proportional to 88,201.62, 132,345.09 and 54,912.78 is: 82,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201.62 : 132,345.09 = 54,912.78 : x
  2. Step 2: Convert to fraction form
    88,201.62/132,345.09 = 54,912.78/x
  3. Step 3: Cross multiply
    88,201.62x = 132,345.09 × 54,912.78
  4. Step 4: Simplify right side
    88,201.62x = 7,267,436,811.25
  5. Step 5: Solve for x
    x = 7,267,436,811.25/88,201.62
  6. Step 6: Final answer
    x = 82,395.73

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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.