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Finding the Fourth Proportional to 93,601.40, 140,183.40 and 91,722.20

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Solution

The fourth proportional to 93,601.40, 140,183.40 and 91,722.20 is: 137,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,601.40 : 140,183.40 = 91,722.20 : x
  2. Step 2: Convert to fraction form
    93,601.40/140,183.40 = 91,722.20/x
  3. Step 3: Cross multiply
    93,601.40x = 140,183.40 × 91,722.20
  4. Step 4: Simplify right side
    93,601.40x = 12,857,929,851.48
  5. Step 5: Solve for x
    x = 12,857,929,851.48/93,601.40
  6. Step 6: Final answer
    x = 137,368.99

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