Home / 168,865.82-252,965.83-137,311.50

Finding the Fourth Proportional to 168,865.82, 252,965.83 and 137,311.50

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Solution

The fourth proportional to 168,865.82, 252,965.83 and 137,311.50 is: 205,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,865.82 : 252,965.83 = 137,311.50 : x
  2. Step 2: Convert to fraction form
    168,865.82/252,965.83 = 137,311.50/x
  3. Step 3: Cross multiply
    168,865.82x = 252,965.83 × 137,311.50
  4. Step 4: Simplify right side
    168,865.82x = 34,735,117,566.05
  5. Step 5: Solve for x
    x = 34,735,117,566.05/168,865.82
  6. Step 6: Final answer
    x = 205,696.56

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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.