Home / 214,275.42-321,434.64-79,375.82

Finding the Fourth Proportional to 214,275.42, 321,434.64 and 79,375.82

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Solution

The fourth proportional to 214,275.42, 321,434.64 and 79,375.82 is: 119,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,275.42 : 321,434.64 = 79,375.82 : x
  2. Step 2: Convert to fraction form
    214,275.42/321,434.64 = 79,375.82/x
  3. Step 3: Cross multiply
    214,275.42x = 321,434.64 × 79,375.82
  4. Step 4: Simplify right side
    214,275.42x = 25,514,136,519.23
  5. Step 5: Solve for x
    x = 25,514,136,519.23/214,275.42
  6. Step 6: Final answer
    x = 119,071.69

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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.