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Finding the Fourth Proportional to 132,891.53, 183,383.55 and 72,461.68

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Solution

The fourth proportional to 132,891.53, 183,383.55 and 72,461.68 is: 99,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.53 : 183,383.55 = 72,461.68 : x
  2. Step 2: Convert to fraction form
    132,891.53/183,383.55 = 72,461.68/x
  3. Step 3: Cross multiply
    132,891.53x = 183,383.55 × 72,461.68
  4. Step 4: Simplify right side
    132,891.53x = 13,288,279,658.91
  5. Step 5: Solve for x
    x = 13,288,279,658.91/132,891.53
  6. Step 6: Final answer
    x = 99,993.43

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