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Finding the Fourth Proportional to 168,091.60, 251,791.80 and 115,560.40

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Solution

The fourth proportional to 168,091.60, 251,791.80 and 115,560.40 is: 173,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.60 : 251,791.80 = 115,560.40 : x
  2. Step 2: Convert to fraction form
    168,091.60/251,791.80 = 115,560.40/x
  3. Step 3: Cross multiply
    168,091.60x = 251,791.80 × 115,560.40
  4. Step 4: Simplify right side
    168,091.60x = 29,097,161,124.72
  5. Step 5: Solve for x
    x = 29,097,161,124.72/168,091.60
  6. Step 6: Final answer
    x = 173,103.01

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