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Finding the Fourth Proportional to 257,974.24, 387,110.76 and 108,201.20

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Solution

The fourth proportional to 257,974.24, 387,110.76 and 108,201.20 is: 162,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,974.24 : 387,110.76 = 108,201.20 : x
  2. Step 2: Convert to fraction form
    257,974.24/387,110.76 = 108,201.20/x
  3. Step 3: Cross multiply
    257,974.24x = 387,110.76 × 108,201.20
  4. Step 4: Simplify right side
    257,974.24x = 41,885,848,764.91
  5. Step 5: Solve for x
    x = 41,885,848,764.91/257,974.24
  6. Step 6: Final answer
    x = 162,364.46

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