Home / 214,195.50-321,309.41-72,041.18

Finding the Fourth Proportional to 214,195.50, 321,309.41 and 72,041.18

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Solution

The fourth proportional to 214,195.50, 321,309.41 and 72,041.18 is: 108,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,195.50 : 321,309.41 = 72,041.18 : x
  2. Step 2: Convert to fraction form
    214,195.50/321,309.41 = 72,041.18/x
  3. Step 3: Cross multiply
    214,195.50x = 321,309.41 × 72,041.18
  4. Step 4: Simplify right side
    214,195.50x = 23,147,507,074.75
  5. Step 5: Solve for x
    x = 23,147,507,074.75/214,195.50
  6. Step 6: Final answer
    x = 108,067.20

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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.