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Finding the Fourth Proportional to 131,871.20, 197,806.80 and 43,103.30

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Solution

The fourth proportional to 131,871.20, 197,806.80 and 43,103.30 is: 64,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,871.20 : 197,806.80 = 43,103.30 : x
  2. Step 2: Convert to fraction form
    131,871.20/197,806.80 = 43,103.30/x
  3. Step 3: Cross multiply
    131,871.20x = 197,806.80 × 43,103.30
  4. Step 4: Simplify right side
    131,871.20x = 8,526,125,842.44
  5. Step 5: Solve for x
    x = 8,526,125,842.44/131,871.20
  6. Step 6: Final answer
    x = 64,654.95

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