Home / 168,564.20-252,860.78-43,905

Finding the Fourth Proportional to 168,564.20, 252,860.78 and 43,905

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Solution

The fourth proportional to 168,564.20, 252,860.78 and 43,905 is: 65,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,564.20 : 252,860.78 = 43,905 : x
  2. Step 2: Convert to fraction form
    168,564.20/252,860.78 = 43,905/x
  3. Step 3: Cross multiply
    168,564.20x = 252,860.78 × 43,905
  4. Step 4: Simplify right side
    168,564.20x = 11,101,852,545.90
  5. Step 5: Solve for x
    x = 11,101,852,545.90/168,564.20
  6. Step 6: Final answer
    x = 65,861.27

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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.