Home / 214,139.92-321,504.12-109,029.52

Finding the Fourth Proportional to 214,139.92, 321,504.12 and 109,029.52

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Solution

The fourth proportional to 214,139.92, 321,504.12 and 109,029.52 is: 163,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,139.92 : 321,504.12 = 109,029.52 : x
  2. Step 2: Convert to fraction form
    214,139.92/321,504.12 = 109,029.52/x
  3. Step 3: Cross multiply
    214,139.92x = 321,504.12 × 109,029.52
  4. Step 4: Simplify right side
    214,139.92x = 35,053,439,881.62
  5. Step 5: Solve for x
    x = 35,053,439,881.62/214,139.92
  6. Step 6: Final answer
    x = 163,694.09

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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.