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Finding the Fourth Proportional to 121,653.55, 167,788.60 and 73,204.97

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Solution

The fourth proportional to 121,653.55, 167,788.60 and 73,204.97 is: 100,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,653.55 : 167,788.60 = 73,204.97 : x
  2. Step 2: Convert to fraction form
    121,653.55/167,788.60 = 73,204.97/x
  3. Step 3: Cross multiply
    121,653.55x = 167,788.60 × 73,204.97
  4. Step 4: Simplify right side
    121,653.55x = 12,282,958,407.39
  5. Step 5: Solve for x
    x = 12,282,958,407.39/121,653.55
  6. Step 6: Final answer
    x = 100,966.71

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