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Finding the Fourth Proportional to 171,322.51, 256,517.21 and 133,239.55

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Solution

The fourth proportional to 171,322.51, 256,517.21 and 133,239.55 is: 199,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,322.51 : 256,517.21 = 133,239.55 : x
  2. Step 2: Convert to fraction form
    171,322.51/256,517.21 = 133,239.55/x
  3. Step 3: Cross multiply
    171,322.51x = 256,517.21 × 133,239.55
  4. Step 4: Simplify right side
    171,322.51x = 34,178,236,961.46
  5. Step 5: Solve for x
    x = 34,178,236,961.46/171,322.51
  6. Step 6: Final answer
    x = 199,496.48

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