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Finding the Fourth Proportional to 172,876.72, 238,480.95 and 115,497.73

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Solution

The fourth proportional to 172,876.72, 238,480.95 and 115,497.73 is: 159,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,876.72 : 238,480.95 = 115,497.73 : x
  2. Step 2: Convert to fraction form
    172,876.72/238,480.95 = 115,497.73/x
  3. Step 3: Cross multiply
    172,876.72x = 238,480.95 × 115,497.73
  4. Step 4: Simplify right side
    172,876.72x = 27,544,008,373.24
  5. Step 5: Solve for x
    x = 27,544,008,373.24/172,876.72
  6. Step 6: Final answer
    x = 159,327.46

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