Home / 107,910.20-161,865.30-100,998.20

Finding the Fourth Proportional to 107,910.20, 161,865.30 and 100,998.20

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Solution

The fourth proportional to 107,910.20, 161,865.30 and 100,998.20 is: 151,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.20 : 161,865.30 = 100,998.20 : x
  2. Step 2: Convert to fraction form
    107,910.20/161,865.30 = 100,998.20/x
  3. Step 3: Cross multiply
    107,910.20x = 161,865.30 × 100,998.20
  4. Step 4: Simplify right side
    107,910.20x = 16,348,103,942.46
  5. Step 5: Solve for x
    x = 16,348,103,942.46/107,910.20
  6. Step 6: Final answer
    x = 151,497.30

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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.