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Finding the Fourth Proportional to 171,697.80, 257,600.70 and 82,954.20

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Solution

The fourth proportional to 171,697.80, 257,600.70 and 82,954.20 is: 124,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,697.80 : 257,600.70 = 82,954.20 : x
  2. Step 2: Convert to fraction form
    171,697.80/257,600.70 = 82,954.20/x
  3. Step 3: Cross multiply
    171,697.80x = 257,600.70 × 82,954.20
  4. Step 4: Simplify right side
    171,697.80x = 21,369,059,987.94
  5. Step 5: Solve for x
    x = 21,369,059,987.94/171,697.80
  6. Step 6: Final answer
    x = 124,457.39

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