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Finding the Fourth Proportional to 168,940.30, 233,114.55 and 100,942.90

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Solution

The fourth proportional to 168,940.30, 233,114.55 and 100,942.90 is: 139,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940.30 : 233,114.55 = 100,942.90 : x
  2. Step 2: Convert to fraction form
    168,940.30/233,114.55 = 100,942.90/x
  3. Step 3: Cross multiply
    168,940.30x = 233,114.55 × 100,942.90
  4. Step 4: Simplify right side
    168,940.30x = 23,531,258,709.20
  5. Step 5: Solve for x
    x = 23,531,258,709.20/168,940.30
  6. Step 6: Final answer
    x = 139,287.42

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