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Finding the Fourth Proportional to 123,661.20, 185,410.80 and 48,736.20

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Solution

The fourth proportional to 123,661.20, 185,410.80 and 48,736.20 is: 73,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661.20 : 185,410.80 = 48,736.20 : x
  2. Step 2: Convert to fraction form
    123,661.20/185,410.80 = 48,736.20/x
  3. Step 3: Cross multiply
    123,661.20x = 185,410.80 × 48,736.20
  4. Step 4: Simplify right side
    123,661.20x = 9,036,217,830.96
  5. Step 5: Solve for x
    x = 9,036,217,830.96/123,661.20
  6. Step 6: Final answer
    x = 73,072.38

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