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Finding the Fourth Proportional to 179,682.63, 269,710.78 and 132,351.11

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Solution

The fourth proportional to 179,682.63, 269,710.78 and 132,351.11 is: 198,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,682.63 : 269,710.78 = 132,351.11 : x
  2. Step 2: Convert to fraction form
    179,682.63/269,710.78 = 132,351.11/x
  3. Step 3: Cross multiply
    179,682.63x = 269,710.78 × 132,351.11
  4. Step 4: Simplify right side
    179,682.63x = 35,696,521,111.97
  5. Step 5: Solve for x
    x = 35,696,521,111.97/179,682.63
  6. Step 6: Final answer
    x = 198,664.28

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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.