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Finding the Fourth Proportional to 88,230.40, 132,345.60 and 83,856.40

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Solution

The fourth proportional to 88,230.40, 132,345.60 and 83,856.40 is: 125,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230.40 : 132,345.60 = 83,856.40 : x
  2. Step 2: Convert to fraction form
    88,230.40/132,345.60 = 83,856.40/x
  3. Step 3: Cross multiply
    88,230.40x = 132,345.60 × 83,856.40
  4. Step 4: Simplify right side
    88,230.40x = 11,098,025,571.84
  5. Step 5: Solve for x
    x = 11,098,025,571.84/88,230.40
  6. Step 6: Final answer
    x = 125,784.60

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