Home / 136,481.82-204,722.73-53,317.50

Finding the Fourth Proportional to 136,481.82, 204,722.73 and 53,317.50

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Solution

The fourth proportional to 136,481.82, 204,722.73 and 53,317.50 is: 79,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,481.82 : 204,722.73 = 53,317.50 : x
  2. Step 2: Convert to fraction form
    136,481.82/204,722.73 = 53,317.50/x
  3. Step 3: Cross multiply
    136,481.82x = 204,722.73 × 53,317.50
  4. Step 4: Simplify right side
    136,481.82x = 10,915,304,156.78
  5. Step 5: Solve for x
    x = 10,915,304,156.78/136,481.82
  6. Step 6: Final answer
    x = 79,976.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.