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Finding the Fourth Proportional to 99,625.20, 149,437.80 and 92,626.80

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Solution

The fourth proportional to 99,625.20, 149,437.80 and 92,626.80 is: 138,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625.20 : 149,437.80 = 92,626.80 : x
  2. Step 2: Convert to fraction form
    99,625.20/149,437.80 = 92,626.80/x
  3. Step 3: Cross multiply
    99,625.20x = 149,437.80 × 92,626.80
  4. Step 4: Simplify right side
    99,625.20x = 13,841,945,213.04
  5. Step 5: Solve for x
    x = 13,841,945,213.04/99,625.20
  6. Step 6: Final answer
    x = 138,940.20

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