Home / 214,640.20-321,830.70-96,289.48

Finding the Fourth Proportional to 214,640.20, 321,830.70 and 96,289.48

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Solution

The fourth proportional to 214,640.20, 321,830.70 and 96,289.48 is: 144,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,640.20 : 321,830.70 = 96,289.48 : x
  2. Step 2: Convert to fraction form
    214,640.20/321,830.70 = 96,289.48/x
  3. Step 3: Cross multiply
    214,640.20x = 321,830.70 × 96,289.48
  4. Step 4: Simplify right side
    214,640.20x = 30,988,910,751.04
  5. Step 5: Solve for x
    x = 30,988,910,751.04/214,640.20
  6. Step 6: Final answer
    x = 144,376.08

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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.