Home / 199,261.80-274,972.98-108,615.78

Finding the Fourth Proportional to 199,261.80, 274,972.98 and 108,615.78

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Solution

The fourth proportional to 199,261.80, 274,972.98 and 108,615.78 is: 149,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261.80 : 274,972.98 = 108,615.78 : x
  2. Step 2: Convert to fraction form
    199,261.80/274,972.98 = 108,615.78/x
  3. Step 3: Cross multiply
    199,261.80x = 274,972.98 × 108,615.78
  4. Step 4: Simplify right side
    199,261.80x = 29,866,404,701.62
  5. Step 5: Solve for x
    x = 29,866,404,701.62/199,261.80
  6. Step 6: Final answer
    x = 149,885.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.