Home / 214,529.87-321,846.82-64,761.21

Finding the Fourth Proportional to 214,529.87, 321,846.82 and 64,761.21

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Solution

The fourth proportional to 214,529.87, 321,846.82 and 64,761.21 is: 97,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,529.87 : 321,846.82 = 64,761.21 : x
  2. Step 2: Convert to fraction form
    214,529.87/321,846.82 = 64,761.21/x
  3. Step 3: Cross multiply
    214,529.87x = 321,846.82 × 64,761.21
  4. Step 4: Simplify right side
    214,529.87x = 20,843,189,335.95
  5. Step 5: Solve for x
    x = 20,843,189,335.95/214,529.87
  6. Step 6: Final answer
    x = 97,157.52

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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.