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Finding the Fourth Proportional to 163,081.20, 244,330.20 and 138,003.60

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Solution

The fourth proportional to 163,081.20, 244,330.20 and 138,003.60 is: 206,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,081.20 : 244,330.20 = 138,003.60 : x
  2. Step 2: Convert to fraction form
    163,081.20/244,330.20 = 138,003.60/x
  3. Step 3: Cross multiply
    163,081.20x = 244,330.20 × 138,003.60
  4. Step 4: Simplify right side
    163,081.20x = 33,718,447,188.72
  5. Step 5: Solve for x
    x = 33,718,447,188.72/163,081.20
  6. Step 6: Final answer
    x = 206,758.64

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