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Finding the Fourth Proportional to 121,647.29, 167,856.62 and 67,925.43

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Solution

The fourth proportional to 121,647.29, 167,856.62 and 67,925.43 is: 93,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,647.29 : 167,856.62 = 67,925.43 : x
  2. Step 2: Convert to fraction form
    121,647.29/167,856.62 = 67,925.43/x
  3. Step 3: Cross multiply
    121,647.29x = 167,856.62 × 67,925.43
  4. Step 4: Simplify right side
    121,647.29x = 11,401,732,752.22
  5. Step 5: Solve for x
    x = 11,401,732,752.22/121,647.29
  6. Step 6: Final answer
    x = 93,727.80

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