Home / 214,218.60-321,327.90-125,572.20

Finding the Fourth Proportional to 214,218.60, 321,327.90 and 125,572.20

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Solution

The fourth proportional to 214,218.60, 321,327.90 and 125,572.20 is: 188,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,218.60 : 321,327.90 = 125,572.20 : x
  2. Step 2: Convert to fraction form
    214,218.60/321,327.90 = 125,572.20/x
  3. Step 3: Cross multiply
    214,218.60x = 321,327.90 × 125,572.20
  4. Step 4: Simplify right side
    214,218.60x = 40,349,851,324.38
  5. Step 5: Solve for x
    x = 40,349,851,324.38/214,218.60
  6. Step 6: Final answer
    x = 188,358.30

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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.