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Finding the Fourth Proportional to 206,567.67, 285,074.25 and 115,918.95

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Solution

The fourth proportional to 206,567.67, 285,074.25 and 115,918.95 is: 159,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,567.67 : 285,074.25 = 115,918.95 : x
  2. Step 2: Convert to fraction form
    206,567.67/285,074.25 = 115,918.95/x
  3. Step 3: Cross multiply
    206,567.67x = 285,074.25 × 115,918.95
  4. Step 4: Simplify right side
    206,567.67x = 33,045,506,306.67
  5. Step 5: Solve for x
    x = 33,045,506,306.67/206,567.67
  6. Step 6: Final answer
    x = 159,974.25

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