Home / 109,986-164,904.88-50,789.04

Finding the Fourth Proportional to 109,986, 164,904.88 and 50,789.04

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Solution

The fourth proportional to 109,986, 164,904.88 and 50,789.04 is: 76,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986 : 164,904.88 = 50,789.04 : x
  2. Step 2: Convert to fraction form
    109,986/164,904.88 = 50,789.04/x
  3. Step 3: Cross multiply
    109,986x = 164,904.88 × 50,789.04
  4. Step 4: Simplify right side
    109,986x = 8,375,360,546.52
  5. Step 5: Solve for x
    x = 8,375,360,546.52/109,986
  6. Step 6: Final answer
    x = 76,149.33

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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.