Home / 214,064.40-321,145.20-125,272.20

Finding the Fourth Proportional to 214,064.40, 321,145.20 and 125,272.20

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Solution

The fourth proportional to 214,064.40, 321,145.20 and 125,272.20 is: 187,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,064.40 : 321,145.20 = 125,272.20 : x
  2. Step 2: Convert to fraction form
    214,064.40/321,145.20 = 125,272.20/x
  3. Step 3: Cross multiply
    214,064.40x = 321,145.20 × 125,272.20
  4. Step 4: Simplify right side
    214,064.40x = 40,230,565,723.44
  5. Step 5: Solve for x
    x = 40,230,565,723.44/214,064.40
  6. Step 6: Final answer
    x = 187,936.74

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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.