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Finding the Fourth Proportional to 223,440.36, 335,054.97 and 81,186.48

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Solution

The fourth proportional to 223,440.36, 335,054.97 and 81,186.48 is: 121,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,440.36 : 335,054.97 = 81,186.48 : x
  2. Step 2: Convert to fraction form
    223,440.36/335,054.97 = 81,186.48/x
  3. Step 3: Cross multiply
    223,440.36x = 335,054.97 × 81,186.48
  4. Step 4: Simplify right side
    223,440.36x = 27,201,933,620.81
  5. Step 5: Solve for x
    x = 27,201,933,620.81/223,440.36
  6. Step 6: Final answer
    x = 121,741.36

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