Home / 214,282.68-321,360.66-81,064.12

Finding the Fourth Proportional to 214,282.68, 321,360.66 and 81,064.12

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Solution

The fourth proportional to 214,282.68, 321,360.66 and 81,064.12 is: 121,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,282.68 : 321,360.66 = 81,064.12 : x
  2. Step 2: Convert to fraction form
    214,282.68/321,360.66 = 81,064.12/x
  3. Step 3: Cross multiply
    214,282.68x = 321,360.66 × 81,064.12
  4. Step 4: Simplify right side
    214,282.68x = 26,050,819,105.52
  5. Step 5: Solve for x
    x = 26,050,819,105.52/214,282.68
  6. Step 6: Final answer
    x = 121,572.21

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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.