Home / 138,981.06-208,469.52-44,217

Finding the Fourth Proportional to 138,981.06, 208,469.52 and 44,217

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Solution

The fourth proportional to 138,981.06, 208,469.52 and 44,217 is: 66,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,981.06 : 208,469.52 = 44,217 : x
  2. Step 2: Convert to fraction form
    138,981.06/208,469.52 = 44,217/x
  3. Step 3: Cross multiply
    138,981.06x = 208,469.52 × 44,217
  4. Step 4: Simplify right side
    138,981.06x = 9,217,896,765.84
  5. Step 5: Solve for x
    x = 9,217,896,765.84/138,981.06
  6. Step 6: Final answer
    x = 66,324.84

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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.