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Finding the Fourth Proportional to 167,978, 251,967 and 69,482

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Solution

The fourth proportional to 167,978, 251,967 and 69,482 is: 104,223

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,978 : 251,967 = 69,482 : x
  2. Step 2: Convert to fraction form
    167,978/251,967 = 69,482/x
  3. Step 3: Cross multiply
    167,978x = 251,967 × 69,482
  4. Step 4: Simplify right side
    167,978x = 17,507,171,094
  5. Step 5: Solve for x
    x = 17,507,171,094/167,978
  6. Step 6: Final answer
    x = 104,223

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