Home / 214,829.78-322,166.91-102,505.46

Finding the Fourth Proportional to 214,829.78, 322,166.91 and 102,505.46

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Solution

The fourth proportional to 214,829.78, 322,166.91 and 102,505.46 is: 153,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,829.78 : 322,166.91 = 102,505.46 : x
  2. Step 2: Convert to fraction form
    214,829.78/322,166.91 = 102,505.46/x
  3. Step 3: Cross multiply
    214,829.78x = 322,166.91 × 102,505.46
  4. Step 4: Simplify right side
    214,829.78x = 33,023,867,306.33
  5. Step 5: Solve for x
    x = 33,023,867,306.33/214,829.78
  6. Step 6: Final answer
    x = 153,721.09

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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.