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Finding the Fourth Proportional to 121,546.49, 167,743.46 and 67,109.16

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Solution

The fourth proportional to 121,546.49, 167,743.46 and 67,109.16 is: 92,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,546.49 : 167,743.46 = 67,109.16 : x
  2. Step 2: Convert to fraction form
    121,546.49/167,743.46 = 67,109.16/x
  3. Step 3: Cross multiply
    121,546.49x = 167,743.46 × 67,109.16
  4. Step 4: Simplify right side
    121,546.49x = 11,257,122,528.32
  5. Step 5: Solve for x
    x = 11,257,122,528.32/121,546.49
  6. Step 6: Final answer
    x = 92,615.77

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