Home / 214,733.52-322,227-81,725.76

Finding the Fourth Proportional to 214,733.52, 322,227 and 81,725.76

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Solution

The fourth proportional to 214,733.52, 322,227 and 81,725.76 is: 122,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,733.52 : 322,227 = 81,725.76 : x
  2. Step 2: Convert to fraction form
    214,733.52/322,227 = 81,725.76/x
  3. Step 3: Cross multiply
    214,733.52x = 322,227 × 81,725.76
  4. Step 4: Simplify right side
    214,733.52x = 26,334,246,467.52
  5. Step 5: Solve for x
    x = 26,334,246,467.52/214,733.52
  6. Step 6: Final answer
    x = 122,636.87

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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.