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Finding the Fourth Proportional to 117,912.97, 162,718.92 and 64,197.88

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Solution

The fourth proportional to 117,912.97, 162,718.92 and 64,197.88 is: 88,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,912.97 : 162,718.92 = 64,197.88 : x
  2. Step 2: Convert to fraction form
    117,912.97/162,718.92 = 64,197.88/x
  3. Step 3: Cross multiply
    117,912.97x = 162,718.92 × 64,197.88
  4. Step 4: Simplify right side
    117,912.97x = 10,446,209,699.89
  5. Step 5: Solve for x
    x = 10,446,209,699.89/117,912.97
  6. Step 6: Final answer
    x = 88,592.54

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