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Finding the Fourth Proportional to 135,902.60, 203,886.30 and 65,724.20

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Solution

The fourth proportional to 135,902.60, 203,886.30 and 65,724.20 is: 98,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.60 : 203,886.30 = 65,724.20 : x
  2. Step 2: Convert to fraction form
    135,902.60/203,886.30 = 65,724.20/x
  3. Step 3: Cross multiply
    135,902.60x = 203,886.30 × 65,724.20
  4. Step 4: Simplify right side
    135,902.60x = 13,400,263,958.46
  5. Step 5: Solve for x
    x = 13,400,263,958.46/135,902.60
  6. Step 6: Final answer
    x = 98,601.97

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