Home / 214,097.40-321,194.70-125,305.20

Finding the Fourth Proportional to 214,097.40, 321,194.70 and 125,305.20

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Solution

The fourth proportional to 214,097.40, 321,194.70 and 125,305.20 is: 187,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,097.40 : 321,194.70 = 125,305.20 : x
  2. Step 2: Convert to fraction form
    214,097.40/321,194.70 = 125,305.20/x
  3. Step 3: Cross multiply
    214,097.40x = 321,194.70 × 125,305.20
  4. Step 4: Simplify right side
    214,097.40x = 40,247,366,122.44
  5. Step 5: Solve for x
    x = 40,247,366,122.44/214,097.40
  6. Step 6: Final answer
    x = 187,986.24

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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.