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Finding the Fourth Proportional to 179,887, 269,843.60 and 69,079

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Solution

The fourth proportional to 179,887, 269,843.60 and 69,079 is: 103,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,887 : 269,843.60 = 69,079 : x
  2. Step 2: Convert to fraction form
    179,887/269,843.60 = 69,079/x
  3. Step 3: Cross multiply
    179,887x = 269,843.60 × 69,079
  4. Step 4: Simplify right side
    179,887x = 18,640,526,044.40
  5. Step 5: Solve for x
    x = 18,640,526,044.40/179,887
  6. Step 6: Final answer
    x = 103,623.53

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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.