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Finding the Fourth Proportional to 179,556, 269,334 and 68,748

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Solution

The fourth proportional to 179,556, 269,334 and 68,748 is: 103,122

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,556 : 269,334 = 68,748 : x
  2. Step 2: Convert to fraction form
    179,556/269,334 = 68,748/x
  3. Step 3: Cross multiply
    179,556x = 269,334 × 68,748
  4. Step 4: Simplify right side
    179,556x = 18,516,173,832
  5. Step 5: Solve for x
    x = 18,516,173,832/179,556
  6. Step 6: Final answer
    x = 103,122

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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.