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Finding the Fourth Proportional to 144,766.80, 217,150.20 and 51,260.40

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Solution

The fourth proportional to 144,766.80, 217,150.20 and 51,260.40 is: 76,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,766.80 : 217,150.20 = 51,260.40 : x
  2. Step 2: Convert to fraction form
    144,766.80/217,150.20 = 51,260.40/x
  3. Step 3: Cross multiply
    144,766.80x = 217,150.20 × 51,260.40
  4. Step 4: Simplify right side
    144,766.80x = 11,131,206,112.08
  5. Step 5: Solve for x
    x = 11,131,206,112.08/144,766.80
  6. Step 6: Final answer
    x = 76,890.60

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