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Finding the Fourth Proportional to 171,518.92, 236,696.79 and 96,067.42

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Solution

The fourth proportional to 171,518.92, 236,696.79 and 96,067.42 is: 132,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,518.92 : 236,696.79 = 96,067.42 : x
  2. Step 2: Convert to fraction form
    171,518.92/236,696.79 = 96,067.42/x
  3. Step 3: Cross multiply
    171,518.92x = 236,696.79 × 96,067.42
  4. Step 4: Simplify right side
    171,518.92x = 22,738,849,937.58
  5. Step 5: Solve for x
    x = 22,738,849,937.58/171,518.92
  6. Step 6: Final answer
    x = 132,573.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.