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Finding the Fourth Proportional to 179,806, 269,721.96 and 68,998

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Solution

The fourth proportional to 179,806, 269,721.96 and 68,998 is: 103,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,806 : 269,721.96 = 68,998 : x
  2. Step 2: Convert to fraction form
    179,806/269,721.96 = 68,998/x
  3. Step 3: Cross multiply
    179,806x = 269,721.96 × 68,998
  4. Step 4: Simplify right side
    179,806x = 18,610,275,796.08
  5. Step 5: Solve for x
    x = 18,610,275,796.08/179,806
  6. Step 6: Final answer
    x = 103,501.97

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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.