Home / 214,020.62-321,044.75-71,860.15

Finding the Fourth Proportional to 214,020.62, 321,044.75 and 71,860.15

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Solution

The fourth proportional to 214,020.62, 321,044.75 and 71,860.15 is: 107,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,020.62 : 321,044.75 = 71,860.15 : x
  2. Step 2: Convert to fraction form
    214,020.62/321,044.75 = 71,860.15/x
  3. Step 3: Cross multiply
    214,020.62x = 321,044.75 × 71,860.15
  4. Step 4: Simplify right side
    214,020.62x = 23,070,323,891.71
  5. Step 5: Solve for x
    x = 23,070,323,891.71/214,020.62
  6. Step 6: Final answer
    x = 107,794.87

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1.5x scale

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.