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Finding the Fourth Proportional to 103,433.30, 155,149.95 and 50,945.30

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Solution

The fourth proportional to 103,433.30, 155,149.95 and 50,945.30 is: 76,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.30 : 155,149.95 = 50,945.30 : x
  2. Step 2: Convert to fraction form
    103,433.30/155,149.95 = 50,945.30/x
  3. Step 3: Cross multiply
    103,433.30x = 155,149.95 × 50,945.30
  4. Step 4: Simplify right side
    103,433.30x = 7,904,160,747.74
  5. Step 5: Solve for x
    x = 7,904,160,747.74/103,433.30
  6. Step 6: Final answer
    x = 76,417.95

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