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Finding the Fourth Proportional to 132,016.80, 198,122.40 and 53,187.60

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Solution

The fourth proportional to 132,016.80, 198,122.40 and 53,187.60 is: 79,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,016.80 : 198,122.40 = 53,187.60 : x
  2. Step 2: Convert to fraction form
    132,016.80/198,122.40 = 53,187.60/x
  3. Step 3: Cross multiply
    132,016.80x = 198,122.40 × 53,187.60
  4. Step 4: Simplify right side
    132,016.80x = 10,537,654,962.24
  5. Step 5: Solve for x
    x = 10,537,654,962.24/132,016.80
  6. Step 6: Final answer
    x = 79,820.56

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