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Finding the Fourth Proportional to 172,678.80, 238,295.88 and 96,198.72

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Solution

The fourth proportional to 172,678.80, 238,295.88 and 96,198.72 is: 132,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,678.80 : 238,295.88 = 96,198.72 : x
  2. Step 2: Convert to fraction form
    172,678.80/238,295.88 = 96,198.72/x
  3. Step 3: Cross multiply
    172,678.80x = 238,295.88 × 96,198.72
  4. Step 4: Simplify right side
    172,678.80x = 22,923,758,637.27
  5. Step 5: Solve for x
    x = 22,923,758,637.27/172,678.80
  6. Step 6: Final answer
    x = 132,753.75

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