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Finding the Fourth Proportional to 268,942.80, 403,025.40 and 119,060.40

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Solution

The fourth proportional to 268,942.80, 403,025.40 and 119,060.40 is: 178,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,942.80 : 403,025.40 = 119,060.40 : x
  2. Step 2: Convert to fraction form
    268,942.80/403,025.40 = 119,060.40/x
  3. Step 3: Cross multiply
    268,942.80x = 403,025.40 × 119,060.40
  4. Step 4: Simplify right side
    268,942.80x = 47,984,365,334.16
  5. Step 5: Solve for x
    x = 47,984,365,334.16/268,942.80
  6. Step 6: Final answer
    x = 178,418.48

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