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Finding the Fourth Proportional to 483,133.41, 724,736.57 and 128,137.14

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Solution

The fourth proportional to 483,133.41, 724,736.57 and 128,137.14 is: 192,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,133.41 : 724,736.57 = 128,137.14 : x
  2. Step 2: Convert to fraction form
    483,133.41/724,736.57 = 128,137.14/x
  3. Step 3: Cross multiply
    483,133.41x = 724,736.57 × 128,137.14
  4. Step 4: Simplify right side
    483,133.41x = 92,865,670,692.52
  5. Step 5: Solve for x
    x = 92,865,670,692.52/483,133.41
  6. Step 6: Final answer
    x = 192,215.38

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