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Finding the Fourth Proportional to 147,662.60, 221,558.70 and 68,736.20

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Solution

The fourth proportional to 147,662.60, 221,558.70 and 68,736.20 is: 103,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,662.60 : 221,558.70 = 68,736.20 : x
  2. Step 2: Convert to fraction form
    147,662.60/221,558.70 = 68,736.20/x
  3. Step 3: Cross multiply
    147,662.60x = 221,558.70 × 68,736.20
  4. Step 4: Simplify right side
    147,662.60x = 15,229,103,114.94
  5. Step 5: Solve for x
    x = 15,229,103,114.94/147,662.60
  6. Step 6: Final answer
    x = 103,134.46

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