Home / 82,134.90-123,217.54-25,989.14

Finding the Fourth Proportional to 82,134.90, 123,217.54 and 25,989.14

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Solution

The fourth proportional to 82,134.90, 123,217.54 and 25,989.14 is: 38,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,134.90 : 123,217.54 = 25,989.14 : x
  2. Step 2: Convert to fraction form
    82,134.90/123,217.54 = 25,989.14/x
  3. Step 3: Cross multiply
    82,134.90x = 123,217.54 × 25,989.14
  4. Step 4: Simplify right side
    82,134.90x = 3,202,317,897.52
  5. Step 5: Solve for x
    x = 3,202,317,897.52/82,134.90
  6. Step 6: Final answer
    x = 38,988.52

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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.