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Finding the Fourth Proportional to 135,464.06, 203,137.20 and 72,270.09

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Solution

The fourth proportional to 135,464.06, 203,137.20 and 72,270.09 is: 108,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,464.06 : 203,137.20 = 72,270.09 : x
  2. Step 2: Convert to fraction form
    135,464.06/203,137.20 = 72,270.09/x
  3. Step 3: Cross multiply
    135,464.06x = 203,137.20 × 72,270.09
  4. Step 4: Simplify right side
    135,464.06x = 14,680,743,726.35
  5. Step 5: Solve for x
    x = 14,680,743,726.35/135,464.06
  6. Step 6: Final answer
    x = 108,373.72

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