Home / 214,144.90-321,036.72-135,084.85

Finding the Fourth Proportional to 214,144.90, 321,036.72 and 135,084.85

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Solution

The fourth proportional to 214,144.90, 321,036.72 and 135,084.85 is: 202,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,144.90 : 321,036.72 = 135,084.85 : x
  2. Step 2: Convert to fraction form
    214,144.90/321,036.72 = 135,084.85/x
  3. Step 3: Cross multiply
    214,144.90x = 321,036.72 × 135,084.85
  4. Step 4: Simplify right side
    214,144.90x = 43,367,197,165.69
  5. Step 5: Solve for x
    x = 43,367,197,165.69/214,144.90
  6. Step 6: Final answer
    x = 202,513.33

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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.