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Finding the Fourth Proportional to 231,353.96, 319,255.16 and 127,981.94

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Solution

The fourth proportional to 231,353.96, 319,255.16 and 127,981.94 is: 176,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,353.96 : 319,255.16 = 127,981.94 : x
  2. Step 2: Convert to fraction form
    231,353.96/319,255.16 = 127,981.94/x
  3. Step 3: Cross multiply
    231,353.96x = 319,255.16 × 127,981.94
  4. Step 4: Simplify right side
    231,353.96x = 40,858,892,495.62
  5. Step 5: Solve for x
    x = 40,858,892,495.62/231,353.96
  6. Step 6: Final answer
    x = 176,607.71

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