Home / 214,836.17-321,948.74-158,231.15

Finding the Fourth Proportional to 214,836.17, 321,948.74 and 158,231.15

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Solution

The fourth proportional to 214,836.17, 321,948.74 and 158,231.15 is: 237,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,836.17 : 321,948.74 = 158,231.15 : x
  2. Step 2: Convert to fraction form
    214,836.17/321,948.74 = 158,231.15/x
  3. Step 3: Cross multiply
    214,836.17x = 321,948.74 × 158,231.15
  4. Step 4: Simplify right side
    214,836.17x = 50,942,319,371.25
  5. Step 5: Solve for x
    x = 50,942,319,371.25/214,836.17
  6. Step 6: Final answer
    x = 237,121.71

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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.