Home / 214,641.29-321,961.95-74,399.91

Finding the Fourth Proportional to 214,641.29, 321,961.95 and 74,399.91

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Solution

The fourth proportional to 214,641.29, 321,961.95 and 74,399.91 is: 111,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,641.29 : 321,961.95 = 74,399.91 : x
  2. Step 2: Convert to fraction form
    214,641.29/321,961.95 = 74,399.91/x
  3. Step 3: Cross multiply
    214,641.29x = 321,961.95 × 74,399.91
  4. Step 4: Simplify right side
    214,641.29x = 23,953,940,103.42
  5. Step 5: Solve for x
    x = 23,953,940,103.42/214,641.29
  6. Step 6: Final answer
    x = 111,599.87

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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.