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Finding the Fourth Proportional to 132,372.80, 198,559.20 and 117,857.60

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Solution

The fourth proportional to 132,372.80, 198,559.20 and 117,857.60 is: 176,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.80 : 198,559.20 = 117,857.60 : x
  2. Step 2: Convert to fraction form
    132,372.80/198,559.20 = 117,857.60/x
  3. Step 3: Cross multiply
    132,372.80x = 198,559.20 × 117,857.60
  4. Step 4: Simplify right side
    132,372.80x = 23,401,710,769.92
  5. Step 5: Solve for x
    x = 23,401,710,769.92/132,372.80
  6. Step 6: Final answer
    x = 176,786.40

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