Home / 214,100.63-321,138.59-64,337.70

Finding the Fourth Proportional to 214,100.63, 321,138.59 and 64,337.70

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Solution

The fourth proportional to 214,100.63, 321,138.59 and 64,337.70 is: 96,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,100.63 : 321,138.59 = 64,337.70 : x
  2. Step 2: Convert to fraction form
    214,100.63/321,138.59 = 64,337.70/x
  3. Step 3: Cross multiply
    214,100.63x = 321,138.59 × 64,337.70
  4. Step 4: Simplify right side
    214,100.63x = 20,661,317,940.15
  5. Step 5: Solve for x
    x = 20,661,317,940.15/214,100.63
  6. Step 6: Final answer
    x = 96,502.84

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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.