Home / 214,207.60-321,311.40-125,561.20

Finding the Fourth Proportional to 214,207.60, 321,311.40 and 125,561.20

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Solution

The fourth proportional to 214,207.60, 321,311.40 and 125,561.20 is: 188,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,207.60 : 321,311.40 = 125,561.20 : x
  2. Step 2: Convert to fraction form
    214,207.60/321,311.40 = 125,561.20/x
  3. Step 3: Cross multiply
    214,207.60x = 321,311.40 × 125,561.20
  4. Step 4: Simplify right side
    214,207.60x = 40,344,244,957.68
  5. Step 5: Solve for x
    x = 40,344,244,957.68/214,207.60
  6. Step 6: Final answer
    x = 188,341.80

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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.