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Finding the Fourth Proportional to 111,992.40, 167,988.60 and 49,784.40

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Solution

The fourth proportional to 111,992.40, 167,988.60 and 49,784.40 is: 74,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992.40 : 167,988.60 = 49,784.40 : x
  2. Step 2: Convert to fraction form
    111,992.40/167,988.60 = 49,784.40/x
  3. Step 3: Cross multiply
    111,992.40x = 167,988.60 × 49,784.40
  4. Step 4: Simplify right side
    111,992.40x = 8,363,211,657.84
  5. Step 5: Solve for x
    x = 8,363,211,657.84/111,992.40
  6. Step 6: Final answer
    x = 74,676.60

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