Home / 73,204.20-109,806.30-72,037.80

Finding the Fourth Proportional to 73,204.20, 109,806.30 and 72,037.80

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Solution

The fourth proportional to 73,204.20, 109,806.30 and 72,037.80 is: 108,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,204.20 : 109,806.30 = 72,037.80 : x
  2. Step 2: Convert to fraction form
    73,204.20/109,806.30 = 72,037.80/x
  3. Step 3: Cross multiply
    73,204.20x = 109,806.30 × 72,037.80
  4. Step 4: Simplify right side
    73,204.20x = 7,910,204,278.14
  5. Step 5: Solve for x
    x = 7,910,204,278.14/73,204.20
  6. Step 6: Final answer
    x = 108,056.70

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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.