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Finding the Fourth Proportional to 132,168.74, 198,449.93 and 53,436.74

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Solution

The fourth proportional to 132,168.74, 198,449.93 and 53,436.74 is: 80,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.74 : 198,449.93 = 53,436.74 : x
  2. Step 2: Convert to fraction form
    132,168.74/198,449.93 = 53,436.74/x
  3. Step 3: Cross multiply
    132,168.74x = 198,449.93 × 53,436.74
  4. Step 4: Simplify right side
    132,168.74x = 10,604,516,052.99
  5. Step 5: Solve for x
    x = 10,604,516,052.99/132,168.74
  6. Step 6: Final answer
    x = 80,234.68

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