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Finding the Fourth Proportional to 111,952.80, 167,799.60 and 45,349.20

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Solution

The fourth proportional to 111,952.80, 167,799.60 and 45,349.20 is: 67,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,952.80 : 167,799.60 = 45,349.20 : x
  2. Step 2: Convert to fraction form
    111,952.80/167,799.60 = 45,349.20/x
  3. Step 3: Cross multiply
    111,952.80x = 167,799.60 × 45,349.20
  4. Step 4: Simplify right side
    111,952.80x = 7,609,577,620.32
  5. Step 5: Solve for x
    x = 7,609,577,620.32/111,952.80
  6. Step 6: Final answer
    x = 67,971.30

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