Home / 109,286.87-163,922.76-67,173.44

Finding the Fourth Proportional to 109,286.87, 163,922.76 and 67,173.44

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Solution

The fourth proportional to 109,286.87, 163,922.76 and 67,173.44 is: 100,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,286.87 : 163,922.76 = 67,173.44 : x
  2. Step 2: Convert to fraction form
    109,286.87/163,922.76 = 67,173.44/x
  3. Step 3: Cross multiply
    109,286.87x = 163,922.76 × 67,173.44
  4. Step 4: Simplify right side
    109,286.87x = 11,011,254,863.88
  5. Step 5: Solve for x
    x = 11,011,254,863.88/109,286.87
  6. Step 6: Final answer
    x = 100,755.52

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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.