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Finding the Fourth Proportional to 155,318.41, 214,234.02 and 100,773.12

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Solution

The fourth proportional to 155,318.41, 214,234.02 and 100,773.12 is: 138,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,318.41 : 214,234.02 = 100,773.12 : x
  2. Step 2: Convert to fraction form
    155,318.41/214,234.02 = 100,773.12/x
  3. Step 3: Cross multiply
    155,318.41x = 214,234.02 × 100,773.12
  4. Step 4: Simplify right side
    155,318.41x = 21,589,030,605.54
  5. Step 5: Solve for x
    x = 21,589,030,605.54/155,318.41
  6. Step 6: Final answer
    x = 138,998.53

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