Home / 214,225.52-321,115.38-71,965.22

Finding the Fourth Proportional to 214,225.52, 321,115.38 and 71,965.22

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Solution

The fourth proportional to 214,225.52, 321,115.38 and 71,965.22 is: 107,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,225.52 : 321,115.38 = 71,965.22 : x
  2. Step 2: Convert to fraction form
    214,225.52/321,115.38 = 71,965.22/x
  3. Step 3: Cross multiply
    214,225.52x = 321,115.38 × 71,965.22
  4. Step 4: Simplify right side
    214,225.52x = 23,109,138,967.08
  5. Step 5: Solve for x
    x = 23,109,138,967.08/214,225.52
  6. Step 6: Final answer
    x = 107,872.95

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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.