Home / 214,269.49-321,444.87-86,195.62

Finding the Fourth Proportional to 214,269.49, 321,444.87 and 86,195.62

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Solution

The fourth proportional to 214,269.49, 321,444.87 and 86,195.62 is: 129,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,269.49 : 321,444.87 = 86,195.62 : x
  2. Step 2: Convert to fraction form
    214,269.49/321,444.87 = 86,195.62/x
  3. Step 3: Cross multiply
    214,269.49x = 321,444.87 × 86,195.62
  4. Step 4: Simplify right side
    214,269.49x = 27,707,139,865.47
  5. Step 5: Solve for x
    x = 27,707,139,865.47/214,269.49
  6. Step 6: Final answer
    x = 129,309.78

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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.