Home / 214,115.22-321,188.76-64,343.52

Finding the Fourth Proportional to 214,115.22, 321,188.76 and 64,343.52

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Solution

The fourth proportional to 214,115.22, 321,188.76 and 64,343.52 is: 96,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,115.22 : 321,188.76 = 64,343.52 : x
  2. Step 2: Convert to fraction form
    214,115.22/321,188.76 = 64,343.52/x
  3. Step 3: Cross multiply
    214,115.22x = 321,188.76 × 64,343.52
  4. Step 4: Simplify right side
    214,115.22x = 20,666,415,402.84
  5. Step 5: Solve for x
    x = 20,666,415,402.84/214,115.22
  6. Step 6: Final answer
    x = 96,520.07

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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.