Home / 214,638.20-321,827.70-96,287.48

Finding the Fourth Proportional to 214,638.20, 321,827.70 and 96,287.48

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Solution

The fourth proportional to 214,638.20, 321,827.70 and 96,287.48 is: 144,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,638.20 : 321,827.70 = 96,287.48 : x
  2. Step 2: Convert to fraction form
    214,638.20/321,827.70 = 96,287.48/x
  3. Step 3: Cross multiply
    214,638.20x = 321,827.70 × 96,287.48
  4. Step 4: Simplify right side
    214,638.20x = 30,987,978,227.20
  5. Step 5: Solve for x
    x = 30,987,978,227.20/214,638.20
  6. Step 6: Final answer
    x = 144,373.08

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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.