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Finding the Fourth Proportional to 99,724.70, 149,222.55 and 73,480.70

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Solution

The fourth proportional to 99,724.70, 149,222.55 and 73,480.70 is: 109,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.70 : 149,222.55 = 73,480.70 : x
  2. Step 2: Convert to fraction form
    99,724.70/149,222.55 = 73,480.70/x
  3. Step 3: Cross multiply
    99,724.70x = 149,222.55 × 73,480.70
  4. Step 4: Simplify right side
    99,724.70x = 10,964,977,429.79
  5. Step 5: Solve for x
    x = 10,964,977,429.79/99,724.70
  6. Step 6: Final answer
    x = 109,952.47

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