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Finding the Fourth Proportional to 232,230.51, 320,472.05 and 128,863.98

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Solution

The fourth proportional to 232,230.51, 320,472.05 and 128,863.98 is: 177,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,230.51 : 320,472.05 = 128,863.98 : x
  2. Step 2: Convert to fraction form
    232,230.51/320,472.05 = 128,863.98/x
  3. Step 3: Cross multiply
    232,230.51x = 320,472.05 × 128,863.98
  4. Step 4: Simplify right side
    232,230.51x = 41,297,303,197.44
  5. Step 5: Solve for x
    x = 41,297,303,197.44/232,230.51
  6. Step 6: Final answer
    x = 177,828.93

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