Home / 269,936.92-405,154.47-136,910.59

Finding the Fourth Proportional to 269,936.92, 405,154.47 and 136,910.59

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Solution

The fourth proportional to 269,936.92, 405,154.47 and 136,910.59 is: 205,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,936.92 : 405,154.47 = 136,910.59 : x
  2. Step 2: Convert to fraction form
    269,936.92/405,154.47 = 136,910.59/x
  3. Step 3: Cross multiply
    269,936.92x = 405,154.47 × 136,910.59
  4. Step 4: Simplify right side
    269,936.92x = 55,469,937,029.37
  5. Step 5: Solve for x
    x = 55,469,937,029.37/269,936.92
  6. Step 6: Final answer
    x = 205,492.22

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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.