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Finding the Fourth Proportional to 93,471.20, 140,352.60 and 54,105.20

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Solution

The fourth proportional to 93,471.20, 140,352.60 and 54,105.20 is: 81,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,471.20 : 140,352.60 = 54,105.20 : x
  2. Step 2: Convert to fraction form
    93,471.20/140,352.60 = 54,105.20/x
  3. Step 3: Cross multiply
    93,471.20x = 140,352.60 × 54,105.20
  4. Step 4: Simplify right side
    93,471.20x = 7,593,805,493.52
  5. Step 5: Solve for x
    x = 7,593,805,493.52/93,471.20
  6. Step 6: Final answer
    x = 81,242.20

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