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Finding the Fourth Proportional to 135,793.20, 186,729.93 and 117,856.97

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Solution

The fourth proportional to 135,793.20, 186,729.93 and 117,856.97 is: 162,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,793.20 : 186,729.93 = 117,856.97 : x
  2. Step 2: Convert to fraction form
    135,793.20/186,729.93 = 117,856.97/x
  3. Step 3: Cross multiply
    135,793.20x = 186,729.93 × 117,856.97
  4. Step 4: Simplify right side
    135,793.20x = 22,007,422,824.46
  5. Step 5: Solve for x
    x = 22,007,422,824.46/135,793.20
  6. Step 6: Final answer
    x = 162,065.72

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