Home / 202,042.69-278,817.60-110,161.96

Finding the Fourth Proportional to 202,042.69, 278,817.60 and 110,161.96

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Solution

The fourth proportional to 202,042.69, 278,817.60 and 110,161.96 is: 152,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,042.69 : 278,817.60 = 110,161.96 : x
  2. Step 2: Convert to fraction form
    202,042.69/278,817.60 = 110,161.96/x
  3. Step 3: Cross multiply
    202,042.69x = 278,817.60 × 110,161.96
  4. Step 4: Simplify right side
    202,042.69x = 30,715,093,298.50
  5. Step 5: Solve for x
    x = 30,715,093,298.50/202,042.69
  6. Step 6: Final answer
    x = 152,022.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.