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Finding the Fourth Proportional to 111,515.20, 167,271.84 and 49,185.76

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Solution

The fourth proportional to 111,515.20, 167,271.84 and 49,185.76 is: 73,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,515.20 : 167,271.84 = 49,185.76 : x
  2. Step 2: Convert to fraction form
    111,515.20/167,271.84 = 49,185.76/x
  3. Step 3: Cross multiply
    111,515.20x = 167,271.84 × 49,185.76
  4. Step 4: Simplify right side
    111,515.20x = 8,227,392,577.00
  5. Step 5: Solve for x
    x = 8,227,392,577.00/111,515.20
  6. Step 6: Final answer
    x = 73,778.22

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