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Finding the Fourth Proportional to 111,617.06, 167,420.12 and 48,405.47

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Solution

The fourth proportional to 111,617.06, 167,420.12 and 48,405.47 is: 72,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,617.06 : 167,420.12 = 48,405.47 : x
  2. Step 2: Convert to fraction form
    111,617.06/167,420.12 = 48,405.47/x
  3. Step 3: Cross multiply
    111,617.06x = 167,420.12 × 48,405.47
  4. Step 4: Simplify right side
    111,617.06x = 8,104,048,516.93
  5. Step 5: Solve for x
    x = 8,104,048,516.93/111,617.06
  6. Step 6: Final answer
    x = 72,605.83

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