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Finding the Fourth Proportional to 109,040.70, 163,561.05 and 73,611.30

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Solution

The fourth proportional to 109,040.70, 163,561.05 and 73,611.30 is: 110,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.70 : 163,561.05 = 73,611.30 : x
  2. Step 2: Convert to fraction form
    109,040.70/163,561.05 = 73,611.30/x
  3. Step 3: Cross multiply
    109,040.70x = 163,561.05 × 73,611.30
  4. Step 4: Simplify right side
    109,040.70x = 12,039,941,519.87
  5. Step 5: Solve for x
    x = 12,039,941,519.87/109,040.70
  6. Step 6: Final answer
    x = 110,416.95

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