Home / 82,107.25-123,178.74-25,181.19

Finding the Fourth Proportional to 82,107.25, 123,178.74 and 25,181.19

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Solution

The fourth proportional to 82,107.25, 123,178.74 and 25,181.19 is: 37,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,107.25 : 123,178.74 = 25,181.19 : x
  2. Step 2: Convert to fraction form
    82,107.25/123,178.74 = 25,181.19/x
  3. Step 3: Cross multiply
    82,107.25x = 123,178.74 × 25,181.19
  4. Step 4: Simplify right side
    82,107.25x = 3,101,786,640.01
  5. Step 5: Solve for x
    x = 3,101,786,640.01/82,107.25
  6. Step 6: Final answer
    x = 37,777.26

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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.