Home / 168,104.60-252,196.32-66,908.77

Finding the Fourth Proportional to 168,104.60, 252,196.32 and 66,908.77

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Solution

The fourth proportional to 168,104.60, 252,196.32 and 66,908.77 is: 100,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,104.60 : 252,196.32 = 66,908.77 : x
  2. Step 2: Convert to fraction form
    168,104.60/252,196.32 = 66,908.77/x
  3. Step 3: Cross multiply
    168,104.60x = 252,196.32 × 66,908.77
  4. Step 4: Simplify right side
    168,104.60x = 16,874,146,200.22
  5. Step 5: Solve for x
    x = 16,874,146,200.22/168,104.60
  6. Step 6: Final answer
    x = 100,378.85

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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.