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Finding the Fourth Proportional to 99,542.80, 149,314.20 and 37,205.20

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Solution

The fourth proportional to 99,542.80, 149,314.20 and 37,205.20 is: 55,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,542.80 : 149,314.20 = 37,205.20 : x
  2. Step 2: Convert to fraction form
    99,542.80/149,314.20 = 37,205.20/x
  3. Step 3: Cross multiply
    99,542.80x = 149,314.20 × 37,205.20
  4. Step 4: Simplify right side
    99,542.80x = 5,555,264,673.84
  5. Step 5: Solve for x
    x = 5,555,264,673.84/99,542.80
  6. Step 6: Final answer
    x = 55,807.80

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