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Finding the Fourth Proportional to 121,072.80, 167,079.96 and 67,362.96

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Solution

The fourth proportional to 121,072.80, 167,079.96 and 67,362.96 is: 92,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,072.80 : 167,079.96 = 67,362.96 : x
  2. Step 2: Convert to fraction form
    121,072.80/167,079.96 = 67,362.96/x
  3. Step 3: Cross multiply
    121,072.80x = 167,079.96 × 67,362.96
  4. Step 4: Simplify right side
    121,072.80x = 11,255,000,662.28
  5. Step 5: Solve for x
    x = 11,255,000,662.28/121,072.80
  6. Step 6: Final answer
    x = 92,960.60

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