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Finding the Fourth Proportional to 122,948.40, 184,422.60 and 121,198.80

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Solution

The fourth proportional to 122,948.40, 184,422.60 and 121,198.80 is: 181,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.40 : 184,422.60 = 121,198.80 : x
  2. Step 2: Convert to fraction form
    122,948.40/184,422.60 = 121,198.80/x
  3. Step 3: Cross multiply
    122,948.40x = 184,422.60 × 121,198.80
  4. Step 4: Simplify right side
    122,948.40x = 22,351,797,812.88
  5. Step 5: Solve for x
    x = 22,351,797,812.88/122,948.40
  6. Step 6: Final answer
    x = 181,798.20

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