Home / 214,167.38-321,253.29-87,775.18

Finding the Fourth Proportional to 214,167.38, 321,253.29 and 87,775.18

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Solution

The fourth proportional to 214,167.38, 321,253.29 and 87,775.18 is: 131,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,167.38 : 321,253.29 = 87,775.18 : x
  2. Step 2: Convert to fraction form
    214,167.38/321,253.29 = 87,775.18/x
  3. Step 3: Cross multiply
    214,167.38x = 321,253.29 × 87,775.18
  4. Step 4: Simplify right side
    214,167.38x = 28,198,064,552.21
  5. Step 5: Solve for x
    x = 28,198,064,552.21/214,167.38
  6. Step 6: Final answer
    x = 131,663.68

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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.