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Finding the Fourth Proportional to 129,692.80, 194,107.20 and 94,052.80

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Solution

The fourth proportional to 129,692.80, 194,107.20 and 94,052.80 is: 140,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,692.80 : 194,107.20 = 94,052.80 : x
  2. Step 2: Convert to fraction form
    129,692.80/194,107.20 = 94,052.80/x
  3. Step 3: Cross multiply
    129,692.80x = 194,107.20 × 94,052.80
  4. Step 4: Simplify right side
    129,692.80x = 18,256,325,660.16
  5. Step 5: Solve for x
    x = 18,256,325,660.16/129,692.80
  6. Step 6: Final answer
    x = 140,765.91

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