Home / 82,137.83-123,221.95-25,992.07

Finding the Fourth Proportional to 82,137.83, 123,221.95 and 25,992.07

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Solution

The fourth proportional to 82,137.83, 123,221.95 and 25,992.07 is: 38,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,137.83 : 123,221.95 = 25,992.07 : x
  2. Step 2: Convert to fraction form
    82,137.83/123,221.95 = 25,992.07/x
  3. Step 3: Cross multiply
    82,137.83x = 123,221.95 × 25,992.07
  4. Step 4: Simplify right side
    82,137.83x = 3,202,793,176.90
  5. Step 5: Solve for x
    x = 3,202,793,176.90/82,137.83
  6. Step 6: Final answer
    x = 38,992.91

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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.