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Finding the Fourth Proportional to 144,628.60, 217,137.30 and 92,140.60

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Solution

The fourth proportional to 144,628.60, 217,137.30 and 92,140.60 is: 138,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,628.60 : 217,137.30 = 92,140.60 : x
  2. Step 2: Convert to fraction form
    144,628.60/217,137.30 = 92,140.60/x
  3. Step 3: Cross multiply
    144,628.60x = 217,137.30 × 92,140.60
  4. Step 4: Simplify right side
    144,628.60x = 20,007,161,104.38
  5. Step 5: Solve for x
    x = 20,007,161,104.38/144,628.60
  6. Step 6: Final answer
    x = 138,334.75

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