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Finding the Fourth Proportional to 135,906.60, 203,203.80 and 100,477.20

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Solution

The fourth proportional to 135,906.60, 203,203.80 and 100,477.20 is: 150,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,906.60 : 203,203.80 = 100,477.20 : x
  2. Step 2: Convert to fraction form
    135,906.60/203,203.80 = 100,477.20/x
  3. Step 3: Cross multiply
    135,906.60x = 203,203.80 × 100,477.20
  4. Step 4: Simplify right side
    135,906.60x = 20,417,348,853.36
  5. Step 5: Solve for x
    x = 20,417,348,853.36/135,906.60
  6. Step 6: Final answer
    x = 150,230.74

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