Home / 82,140.86-123,226.46-25,995.09

Finding the Fourth Proportional to 82,140.86, 123,226.46 and 25,995.09

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Solution

The fourth proportional to 82,140.86, 123,226.46 and 25,995.09 is: 38,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.86 : 123,226.46 = 25,995.09 : x
  2. Step 2: Convert to fraction form
    82,140.86/123,226.46 = 25,995.09/x
  3. Step 3: Cross multiply
    82,140.86x = 123,226.46 × 25,995.09
  4. Step 4: Simplify right side
    82,140.86x = 3,203,282,788.11
  5. Step 5: Solve for x
    x = 3,203,282,788.11/82,140.86
  6. Step 6: Final answer
    x = 38,997.44

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Double scale
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Similar ratio
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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.