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Finding the Fourth Proportional to 167,820.81, 251,731.89 and 67,982.91

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Solution

The fourth proportional to 167,820.81, 251,731.89 and 67,982.91 is: 101,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,820.81 : 251,731.89 = 67,982.91 : x
  2. Step 2: Convert to fraction form
    167,820.81/251,731.89 = 67,982.91/x
  3. Step 3: Cross multiply
    167,820.81x = 251,731.89 × 67,982.91
  4. Step 4: Simplify right side
    167,820.81x = 17,113,464,823.43
  5. Step 5: Solve for x
    x = 17,113,464,823.43/167,820.81
  6. Step 6: Final answer
    x = 101,974.63

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