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Finding the Fourth Proportional to 132,605.70, 198,920.70 and 53,703.60

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Solution

The fourth proportional to 132,605.70, 198,920.70 and 53,703.60 is: 80,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.70 : 198,920.70 = 53,703.60 : x
  2. Step 2: Convert to fraction form
    132,605.70/198,920.70 = 53,703.60/x
  3. Step 3: Cross multiply
    132,605.70x = 198,920.70 × 53,703.60
  4. Step 4: Simplify right side
    132,605.70x = 10,682,757,704.52
  5. Step 5: Solve for x
    x = 10,682,757,704.52/132,605.70
  6. Step 6: Final answer
    x = 80,560.32

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