Home / 168,879.50-253,319.06-80,084.58

Finding the Fourth Proportional to 168,879.50, 253,319.06 and 80,084.58

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Solution

The fourth proportional to 168,879.50, 253,319.06 and 80,084.58 is: 120,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,879.50 : 253,319.06 = 80,084.58 : x
  2. Step 2: Convert to fraction form
    168,879.50/253,319.06 = 80,084.58/x
  3. Step 3: Cross multiply
    168,879.50x = 253,319.06 × 80,084.58
  4. Step 4: Simplify right side
    168,879.50x = 20,286,950,526.09
  5. Step 5: Solve for x
    x = 20,286,950,526.09/168,879.50
  6. Step 6: Final answer
    x = 120,126.78

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1.5x scale

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.