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Finding the Fourth Proportional to 167,618.67, 251,261.93 and 78,713.03

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Solution

The fourth proportional to 167,618.67, 251,261.93 and 78,713.03 is: 117,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,618.67 : 251,261.93 = 78,713.03 : x
  2. Step 2: Convert to fraction form
    167,618.67/251,261.93 = 78,713.03/x
  3. Step 3: Cross multiply
    167,618.67x = 251,261.93 × 78,713.03
  4. Step 4: Simplify right side
    167,618.67x = 19,777,586,184.07
  5. Step 5: Solve for x
    x = 19,777,586,184.07/167,618.67
  6. Step 6: Final answer
    x = 117,991.55

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