Home / 213,993.42-321,043.50-64,236.48

Finding the Fourth Proportional to 213,993.42, 321,043.50 and 64,236.48

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Solution

The fourth proportional to 213,993.42, 321,043.50 and 64,236.48 is: 96,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,993.42 : 321,043.50 = 64,236.48 : x
  2. Step 2: Convert to fraction form
    213,993.42/321,043.50 = 64,236.48/x
  3. Step 3: Cross multiply
    213,993.42x = 321,043.50 × 64,236.48
  4. Step 4: Simplify right side
    213,993.42x = 20,622,704,366.88
  5. Step 5: Solve for x
    x = 20,622,704,366.88/213,993.42
  6. Step 6: Final answer
    x = 96,370.74

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1.5x scale

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.