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Finding the Fourth Proportional to 169,181.76, 253,750.77 and 80,491.62

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Solution

The fourth proportional to 169,181.76, 253,750.77 and 80,491.62 is: 120,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,181.76 : 253,750.77 = 80,491.62 : x
  2. Step 2: Convert to fraction form
    169,181.76/253,750.77 = 80,491.62/x
  3. Step 3: Cross multiply
    169,181.76x = 253,750.77 × 80,491.62
  4. Step 4: Simplify right side
    169,181.76x = 20,424,810,553.55
  5. Step 5: Solve for x
    x = 20,424,810,553.55/169,181.76
  6. Step 6: Final answer
    x = 120,727.02

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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.