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Finding the Fourth Proportional to 119,660.58, 165,123.78 and 65,945.61

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Solution

The fourth proportional to 119,660.58, 165,123.78 and 65,945.61 is: 91,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.58 : 165,123.78 = 65,945.61 : x
  2. Step 2: Convert to fraction form
    119,660.58/165,123.78 = 65,945.61/x
  3. Step 3: Cross multiply
    119,660.58x = 165,123.78 × 65,945.61
  4. Step 4: Simplify right side
    119,660.58x = 10,889,188,397.61
  5. Step 5: Solve for x
    x = 10,889,188,397.61/119,660.58
  6. Step 6: Final answer
    x = 91,000.63

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