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Finding the Fourth Proportional to 135,471.16, 203,337.96 and 65,399.68

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Solution

The fourth proportional to 135,471.16, 203,337.96 and 65,399.68 is: 98,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,471.16 : 203,337.96 = 65,399.68 : x
  2. Step 2: Convert to fraction form
    135,471.16/203,337.96 = 65,399.68/x
  3. Step 3: Cross multiply
    135,471.16x = 203,337.96 × 65,399.68
  4. Step 4: Simplify right side
    135,471.16x = 13,298,237,515.85
  5. Step 5: Solve for x
    x = 13,298,237,515.85/135,471.16
  6. Step 6: Final answer
    x = 98,162.87

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