Home / 214,507.07-321,706.62-88,182.54

Finding the Fourth Proportional to 214,507.07, 321,706.62 and 88,182.54

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Solution

The fourth proportional to 214,507.07, 321,706.62 and 88,182.54 is: 132,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,507.07 : 321,706.62 = 88,182.54 : x
  2. Step 2: Convert to fraction form
    214,507.07/321,706.62 = 88,182.54/x
  3. Step 3: Cross multiply
    214,507.07x = 321,706.62 × 88,182.54
  4. Step 4: Simplify right side
    214,507.07x = 28,368,906,886.41
  5. Step 5: Solve for x
    x = 28,368,906,886.41/214,507.07
  6. Step 6: Final answer
    x = 132,251.62

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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.