Home / 213,212.75-294,233.52-122,586.44

Finding the Fourth Proportional to 213,212.75, 294,233.52 and 122,586.44

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Solution

The fourth proportional to 213,212.75, 294,233.52 and 122,586.44 is: 169,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,212.75 : 294,233.52 = 122,586.44 : x
  2. Step 2: Convert to fraction form
    213,212.75/294,233.52 = 122,586.44/x
  3. Step 3: Cross multiply
    213,212.75x = 294,233.52 × 122,586.44
  4. Step 4: Simplify right side
    213,212.75x = 36,069,039,745.47
  5. Step 5: Solve for x
    x = 36,069,039,745.47/213,212.75
  6. Step 6: Final answer
    x = 169,169.24

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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.