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Finding the Fourth Proportional to 122,612.40, 183,918.60 and 48,740.40

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Solution

The fourth proportional to 122,612.40, 183,918.60 and 48,740.40 is: 73,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,612.40 : 183,918.60 = 48,740.40 : x
  2. Step 2: Convert to fraction form
    122,612.40/183,918.60 = 48,740.40/x
  3. Step 3: Cross multiply
    122,612.40x = 183,918.60 × 48,740.40
  4. Step 4: Simplify right side
    122,612.40x = 8,964,266,131.44
  5. Step 5: Solve for x
    x = 8,964,266,131.44/122,612.40
  6. Step 6: Final answer
    x = 73,110.60

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