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Finding the Fourth Proportional to 168,098.77, 231,976.63 and 91,618.72

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Solution

The fourth proportional to 168,098.77, 231,976.63 and 91,618.72 is: 126,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,098.77 : 231,976.63 = 91,618.72 : x
  2. Step 2: Convert to fraction form
    168,098.77/231,976.63 = 91,618.72/x
  3. Step 3: Cross multiply
    168,098.77x = 231,976.63 × 91,618.72
  4. Step 4: Simplify right side
    168,098.77x = 21,253,401,910.51
  5. Step 5: Solve for x
    x = 21,253,401,910.51/168,098.77
  6. Step 6: Final answer
    x = 126,434.01

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