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Finding the Fourth Proportional to 99,351.40, 149,027.10 and 55,114.60

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Solution

The fourth proportional to 99,351.40, 149,027.10 and 55,114.60 is: 82,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,351.40 : 149,027.10 = 55,114.60 : x
  2. Step 2: Convert to fraction form
    99,351.40/149,027.10 = 55,114.60/x
  3. Step 3: Cross multiply
    99,351.40x = 149,027.10 × 55,114.60
  4. Step 4: Simplify right side
    99,351.40x = 8,213,569,005.66
  5. Step 5: Solve for x
    x = 8,213,569,005.66/99,351.40
  6. Step 6: Final answer
    x = 82,671.90

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