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Finding the Fourth Proportional to 138,881.86, 208,279.79 and 50,124.13

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Solution

The fourth proportional to 138,881.86, 208,279.79 and 50,124.13 is: 75,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,881.86 : 208,279.79 = 50,124.13 : x
  2. Step 2: Convert to fraction form
    138,881.86/208,279.79 = 50,124.13/x
  3. Step 3: Cross multiply
    138,881.86x = 208,279.79 × 50,124.13
  4. Step 4: Simplify right side
    138,881.86x = 10,439,843,270.33
  5. Step 5: Solve for x
    x = 10,439,843,270.33/138,881.86
  6. Step 6: Final answer
    x = 75,170.68

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