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Finding the Fourth Proportional to 235,485.82, 324,974.40 and 128,059.02

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Solution

The fourth proportional to 235,485.82, 324,974.40 and 128,059.02 is: 176,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,485.82 : 324,974.40 = 128,059.02 : x
  2. Step 2: Convert to fraction form
    235,485.82/324,974.40 = 128,059.02/x
  3. Step 3: Cross multiply
    235,485.82x = 324,974.40 × 128,059.02
  4. Step 4: Simplify right side
    235,485.82x = 41,615,903,189.09
  5. Step 5: Solve for x
    x = 41,615,903,189.09/235,485.82
  6. Step 6: Final answer
    x = 176,723.61

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