Home / 214,498.58-321,556.67-81,472.25

Finding the Fourth Proportional to 214,498.58, 321,556.67 and 81,472.25

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Solution

The fourth proportional to 214,498.58, 321,556.67 and 81,472.25 is: 122,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,498.58 : 321,556.67 = 81,472.25 : x
  2. Step 2: Convert to fraction form
    214,498.58/321,556.67 = 81,472.25/x
  3. Step 3: Cross multiply
    214,498.58x = 321,556.67 × 81,472.25
  4. Step 4: Simplify right side
    214,498.58x = 26,197,945,407.41
  5. Step 5: Solve for x
    x = 26,197,945,407.41/214,498.58
  6. Step 6: Final answer
    x = 122,135.75

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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.