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Finding the Fourth Proportional to 99,451.14, 137,242.59 and 54,739.14

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Solution

The fourth proportional to 99,451.14, 137,242.59 and 54,739.14 is: 75,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,451.14 : 137,242.59 = 54,739.14 : x
  2. Step 2: Convert to fraction form
    99,451.14/137,242.59 = 54,739.14/x
  3. Step 3: Cross multiply
    99,451.14x = 137,242.59 × 54,739.14
  4. Step 4: Simplify right side
    99,451.14x = 7,512,541,347.97
  5. Step 5: Solve for x
    x = 7,512,541,347.97/99,451.14
  6. Step 6: Final answer
    x = 75,540.02

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