Home / 214,147.92-321,516.12-109,037.52

Finding the Fourth Proportional to 214,147.92, 321,516.12 and 109,037.52

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Solution

The fourth proportional to 214,147.92, 321,516.12 and 109,037.52 is: 163,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,147.92 : 321,516.12 = 109,037.52 : x
  2. Step 2: Convert to fraction form
    214,147.92/321,516.12 = 109,037.52/x
  3. Step 3: Cross multiply
    214,147.92x = 321,516.12 × 109,037.52
  4. Step 4: Simplify right side
    214,147.92x = 35,057,320,364.82
  5. Step 5: Solve for x
    x = 35,057,320,364.82/214,147.92
  6. Step 6: Final answer
    x = 163,706.10

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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.