Home / 192,982.98-266,159.21-135,811.72

Finding the Fourth Proportional to 192,982.98, 266,159.21 and 135,811.72

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Solution

The fourth proportional to 192,982.98, 266,159.21 and 135,811.72 is: 187,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,982.98 : 266,159.21 = 135,811.72 : x
  2. Step 2: Convert to fraction form
    192,982.98/266,159.21 = 135,811.72/x
  3. Step 3: Cross multiply
    192,982.98x = 266,159.21 × 135,811.72
  4. Step 4: Simplify right side
    192,982.98x = 36,147,540,103.94
  5. Step 5: Solve for x
    x = 36,147,540,103.94/192,982.98
  6. Step 6: Final answer
    x = 187,309.47

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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.