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Finding the Fourth Proportional to 172,990.08, 238,591.98 and 109,304.64

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Solution

The fourth proportional to 172,990.08, 238,591.98 and 109,304.64 is: 150,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,990.08 : 238,591.98 = 109,304.64 : x
  2. Step 2: Convert to fraction form
    172,990.08/238,591.98 = 109,304.64/x
  3. Step 3: Cross multiply
    172,990.08x = 238,591.98 × 109,304.64
  4. Step 4: Simplify right side
    172,990.08x = 26,079,210,480.79
  5. Step 5: Solve for x
    x = 26,079,210,480.79/172,990.08
  6. Step 6: Final answer
    x = 150,755.53

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