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Finding the Fourth Proportional to 96,998.22, 145,243.80 and 91,085.94

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Solution

The fourth proportional to 96,998.22, 145,243.80 and 91,085.94 is: 136,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.22 : 145,243.80 = 91,085.94 : x
  2. Step 2: Convert to fraction form
    96,998.22/145,243.80 = 91,085.94/x
  3. Step 3: Cross multiply
    96,998.22x = 145,243.80 × 91,085.94
  4. Step 4: Simplify right side
    96,998.22x = 13,229,668,052.17
  5. Step 5: Solve for x
    x = 13,229,668,052.17/96,998.22
  6. Step 6: Final answer
    x = 136,390.83

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