Home / 214,166.70-321,255.18-72,013.80

Finding the Fourth Proportional to 214,166.70, 321,255.18 and 72,013.80

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Solution

The fourth proportional to 214,166.70, 321,255.18 and 72,013.80 is: 108,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,166.70 : 321,255.18 = 72,013.80 : x
  2. Step 2: Convert to fraction form
    214,166.70/321,255.18 = 72,013.80/x
  3. Step 3: Cross multiply
    214,166.70x = 321,255.18 × 72,013.80
  4. Step 4: Simplify right side
    214,166.70x = 23,134,806,281.48
  5. Step 5: Solve for x
    x = 23,134,806,281.48/214,166.70
  6. Step 6: Final answer
    x = 108,022.42

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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.