Home / 269,909.74-404,623.98-136,721.44

Finding the Fourth Proportional to 269,909.74, 404,623.98 and 136,721.44

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Solution

The fourth proportional to 269,909.74, 404,623.98 and 136,721.44 is: 204,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,909.74 : 404,623.98 = 136,721.44 : x
  2. Step 2: Convert to fraction form
    269,909.74/404,623.98 = 136,721.44/x
  3. Step 3: Cross multiply
    269,909.74x = 404,623.98 × 136,721.44
  4. Step 4: Simplify right side
    269,909.74x = 55,320,772,192.57
  5. Step 5: Solve for x
    x = 55,320,772,192.57/269,909.74
  6. Step 6: Final answer
    x = 204,960.27

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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.