Home / 88,400.27-132,600.41-72,785.09

Finding the Fourth Proportional to 88,400.27, 132,600.41 and 72,785.09

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Solution

The fourth proportional to 88,400.27, 132,600.41 and 72,785.09 is: 109,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.27 : 132,600.41 = 72,785.09 : x
  2. Step 2: Convert to fraction form
    88,400.27/132,600.41 = 72,785.09/x
  3. Step 3: Cross multiply
    88,400.27x = 132,600.41 × 72,785.09
  4. Step 4: Simplify right side
    88,400.27x = 9,651,332,775.89
  5. Step 5: Solve for x
    x = 9,651,332,775.89/88,400.27
  6. Step 6: Final answer
    x = 109,177.64

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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.