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Finding the Fourth Proportional to 200,100.83, 300,040.47 and 81,855.23

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Solution

The fourth proportional to 200,100.83, 300,040.47 and 81,855.23 is: 122,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,100.83 : 300,040.47 = 81,855.23 : x
  2. Step 2: Convert to fraction form
    200,100.83/300,040.47 = 81,855.23/x
  3. Step 3: Cross multiply
    200,100.83x = 300,040.47 × 81,855.23
  4. Step 4: Simplify right side
    200,100.83x = 24,559,880,180.96
  5. Step 5: Solve for x
    x = 24,559,880,180.96/200,100.83
  6. Step 6: Final answer
    x = 122,737.53

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