Home / 217,560.96-300,205.44-122,067.36

Finding the Fourth Proportional to 217,560.96, 300,205.44 and 122,067.36

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Solution

The fourth proportional to 217,560.96, 300,205.44 and 122,067.36 is: 168,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,560.96 : 300,205.44 = 122,067.36 : x
  2. Step 2: Convert to fraction form
    217,560.96/300,205.44 = 122,067.36/x
  3. Step 3: Cross multiply
    217,560.96x = 300,205.44 × 122,067.36
  4. Step 4: Simplify right side
    217,560.96x = 36,645,285,518.44
  5. Step 5: Solve for x
    x = 36,645,285,518.44/217,560.96
  6. Step 6: Final answer
    x = 168,436.86

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1.5x scale

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.