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Finding the Fourth Proportional to 117,701.91, 162,431.82 and 63,990.54

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Solution

The fourth proportional to 117,701.91, 162,431.82 and 63,990.54 is: 88,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.91 : 162,431.82 = 63,990.54 : x
  2. Step 2: Convert to fraction form
    117,701.91/162,431.82 = 63,990.54/x
  3. Step 3: Cross multiply
    117,701.91x = 162,431.82 × 63,990.54
  4. Step 4: Simplify right side
    117,701.91x = 10,394,099,874.98
  5. Step 5: Solve for x
    x = 10,394,099,874.98/117,701.91
  6. Step 6: Final answer
    x = 88,308.68

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