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Finding the Fourth Proportional to 117,133.56, 161,643.53 and 63,418.48

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Solution

The fourth proportional to 117,133.56, 161,643.53 and 63,418.48 is: 87,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,133.56 : 161,643.53 = 63,418.48 : x
  2. Step 2: Convert to fraction form
    117,133.56/161,643.53 = 63,418.48/x
  3. Step 3: Cross multiply
    117,133.56x = 161,643.53 × 63,418.48
  4. Step 4: Simplify right side
    117,133.56x = 10,251,186,728.87
  5. Step 5: Solve for x
    x = 10,251,186,728.87/117,133.56
  6. Step 6: Final answer
    x = 87,517.08

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