Home / 168,469.48-252,703.20-42,109.09

Finding the Fourth Proportional to 168,469.48, 252,703.20 and 42,109.09

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Solution

The fourth proportional to 168,469.48, 252,703.20 and 42,109.09 is: 63,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.48 : 252,703.20 = 42,109.09 : x
  2. Step 2: Convert to fraction form
    168,469.48/252,703.20 = 42,109.09/x
  3. Step 3: Cross multiply
    168,469.48x = 252,703.20 × 42,109.09
  4. Step 4: Simplify right side
    168,469.48x = 10,641,101,792.09
  5. Step 5: Solve for x
    x = 10,641,101,792.09/168,469.48
  6. Step 6: Final answer
    x = 63,163.38

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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.