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Finding the Fourth Proportional to 132,405.10, 198,692.70 and 73,283.20

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Solution

The fourth proportional to 132,405.10, 198,692.70 and 73,283.20 is: 109,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,405.10 : 198,692.70 = 73,283.20 : x
  2. Step 2: Convert to fraction form
    132,405.10/198,692.70 = 73,283.20/x
  3. Step 3: Cross multiply
    132,405.10x = 198,692.70 × 73,283.20
  4. Step 4: Simplify right side
    132,405.10x = 14,560,836,872.64
  5. Step 5: Solve for x
    x = 14,560,836,872.64/132,405.10
  6. Step 6: Final answer
    x = 109,971.87

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