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Finding the Fourth Proportional to 117,213.06, 161,744.36 and 66,230.22

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Solution

The fourth proportional to 117,213.06, 161,744.36 and 66,230.22 is: 91,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,213.06 : 161,744.36 = 66,230.22 : x
  2. Step 2: Convert to fraction form
    117,213.06/161,744.36 = 66,230.22/x
  3. Step 3: Cross multiply
    117,213.06x = 161,744.36 × 66,230.22
  4. Step 4: Simplify right side
    117,213.06x = 10,712,364,546.56
  5. Step 5: Solve for x
    x = 10,712,364,546.56/117,213.06
  6. Step 6: Final answer
    x = 91,392.24

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