Home / 213,456.44-294,581.28-122,826.20

Finding the Fourth Proportional to 213,456.44, 294,581.28 and 122,826.20

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Solution

The fourth proportional to 213,456.44, 294,581.28 and 122,826.20 is: 169,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,456.44 : 294,581.28 = 122,826.20 : x
  2. Step 2: Convert to fraction form
    213,456.44/294,581.28 = 122,826.20/x
  3. Step 3: Cross multiply
    213,456.44x = 294,581.28 × 122,826.20
  4. Step 4: Simplify right side
    213,456.44x = 36,182,299,213.54
  5. Step 5: Solve for x
    x = 36,182,299,213.54/213,456.44
  6. Step 6: Final answer
    x = 169,506.71

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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.