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Finding the Fourth Proportional to 121,337.72, 167,446.19 and 67,621.52

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Solution

The fourth proportional to 121,337.72, 167,446.19 and 67,621.52 is: 93,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,337.72 : 167,446.19 = 67,621.52 : x
  2. Step 2: Convert to fraction form
    121,337.72/167,446.19 = 67,621.52/x
  3. Step 3: Cross multiply
    121,337.72x = 167,446.19 × 67,621.52
  4. Step 4: Simplify right side
    121,337.72x = 11,322,965,547.90
  5. Step 5: Solve for x
    x = 11,322,965,547.90/121,337.72
  6. Step 6: Final answer
    x = 93,317.77

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