Home / 136,219.66-204,351.36-51,976.42

Finding the Fourth Proportional to 136,219.66, 204,351.36 and 51,976.42

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Solution

The fourth proportional to 136,219.66, 204,351.36 and 51,976.42 is: 77,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219.66 : 204,351.36 = 51,976.42 : x
  2. Step 2: Convert to fraction form
    136,219.66/204,351.36 = 51,976.42/x
  3. Step 3: Cross multiply
    136,219.66x = 204,351.36 × 51,976.42
  4. Step 4: Simplify right side
    136,219.66x = 10,621,452,114.93
  5. Step 5: Solve for x
    x = 10,621,452,114.93/136,219.66
  6. Step 6: Final answer
    x = 77,972.97

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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.