Home / 214,109.40-321,212.70-125,317.20

Finding the Fourth Proportional to 214,109.40, 321,212.70 and 125,317.20

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Solution

The fourth proportional to 214,109.40, 321,212.70 and 125,317.20 is: 188,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,109.40 : 321,212.70 = 125,317.20 : x
  2. Step 2: Convert to fraction form
    214,109.40/321,212.70 = 125,317.20/x
  3. Step 3: Cross multiply
    214,109.40x = 321,212.70 × 125,317.20
  4. Step 4: Simplify right side
    214,109.40x = 40,253,476,168.44
  5. Step 5: Solve for x
    x = 40,253,476,168.44/214,109.40
  6. Step 6: Final answer
    x = 188,004.25

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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.