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Finding the Fourth Proportional to 218,780.46, 301,934.79 and 123,293.61

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Solution

The fourth proportional to 218,780.46, 301,934.79 and 123,293.61 is: 170,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,780.46 : 301,934.79 = 123,293.61 : x
  2. Step 2: Convert to fraction form
    218,780.46/301,934.79 = 123,293.61/x
  3. Step 3: Cross multiply
    218,780.46x = 301,934.79 × 123,293.61
  4. Step 4: Simplify right side
    218,780.46x = 37,226,630,243.69
  5. Step 5: Solve for x
    x = 37,226,630,243.69/218,780.46
  6. Step 6: Final answer
    x = 170,155.19

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