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Finding the Fourth Proportional to 131,208.60, 196,812.90 and 104,964.60

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Solution

The fourth proportional to 131,208.60, 196,812.90 and 104,964.60 is: 157,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,208.60 : 196,812.90 = 104,964.60 : x
  2. Step 2: Convert to fraction form
    131,208.60/196,812.90 = 104,964.60/x
  3. Step 3: Cross multiply
    131,208.60x = 196,812.90 × 104,964.60
  4. Step 4: Simplify right side
    131,208.60x = 20,658,387,323.34
  5. Step 5: Solve for x
    x = 20,658,387,323.34/131,208.60
  6. Step 6: Final answer
    x = 157,446.90

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