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Finding the Fourth Proportional to 106,738.58, 147,278.31 and 64,299.44

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Solution

The fourth proportional to 106,738.58, 147,278.31 and 64,299.44 is: 88,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.58 : 147,278.31 = 64,299.44 : x
  2. Step 2: Convert to fraction form
    106,738.58/147,278.31 = 64,299.44/x
  3. Step 3: Cross multiply
    106,738.58x = 147,278.31 × 64,299.44
  4. Step 4: Simplify right side
    106,738.58x = 9,469,912,857.15
  5. Step 5: Solve for x
    x = 9,469,912,857.15/106,738.58
  6. Step 6: Final answer
    x = 88,720.62

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