Home / 214,073.74-321,309.87-108,971.38

Finding the Fourth Proportional to 214,073.74, 321,309.87 and 108,971.38

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Solution

The fourth proportional to 214,073.74, 321,309.87 and 108,971.38 is: 163,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,073.74 : 321,309.87 = 108,971.38 : x
  2. Step 2: Convert to fraction form
    214,073.74/321,309.87 = 108,971.38/x
  3. Step 3: Cross multiply
    214,073.74x = 321,309.87 × 108,971.38
  4. Step 4: Simplify right side
    214,073.74x = 35,013,579,941.52
  5. Step 5: Solve for x
    x = 35,013,579,941.52/214,073.74
  6. Step 6: Final answer
    x = 163,558.50

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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.