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Finding the Fourth Proportional to 119,007.80, 164,229.36 and 65,293.28

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Solution

The fourth proportional to 119,007.80, 164,229.36 and 65,293.28 is: 90,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,007.80 : 164,229.36 = 65,293.28 : x
  2. Step 2: Convert to fraction form
    119,007.80/164,229.36 = 65,293.28/x
  3. Step 3: Cross multiply
    119,007.80x = 164,229.36 × 65,293.28
  4. Step 4: Simplify right side
    119,007.80x = 10,723,073,586.70
  5. Step 5: Solve for x
    x = 10,723,073,586.70/119,007.80
  6. Step 6: Final answer
    x = 90,103.96

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