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Finding the Fourth Proportional to 209,997.60, 314,996.40 and 131,265.60

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Solution

The fourth proportional to 209,997.60, 314,996.40 and 131,265.60 is: 196,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,997.60 : 314,996.40 = 131,265.60 : x
  2. Step 2: Convert to fraction form
    209,997.60/314,996.40 = 131,265.60/x
  3. Step 3: Cross multiply
    209,997.60x = 314,996.40 × 131,265.60
  4. Step 4: Simplify right side
    209,997.60x = 41,348,191,443.84
  5. Step 5: Solve for x
    x = 41,348,191,443.84/209,997.60
  6. Step 6: Final answer
    x = 196,898.40

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