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Finding the Fourth Proportional to 117,192.16, 161,717.16 and 65,505.88

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Solution

The fourth proportional to 117,192.16, 161,717.16 and 65,505.88 is: 90,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,192.16 : 161,717.16 = 65,505.88 : x
  2. Step 2: Convert to fraction form
    117,192.16/161,717.16 = 65,505.88/x
  3. Step 3: Cross multiply
    117,192.16x = 161,717.16 × 65,505.88
  4. Step 4: Simplify right side
    117,192.16x = 10,593,424,876.90
  5. Step 5: Solve for x
    x = 10,593,424,876.90/117,192.16
  6. Step 6: Final answer
    x = 90,393.63

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