Home / 131,998.20-197,997.30-98,950.20

Finding the Fourth Proportional to 131,998.20, 197,997.30 and 98,950.20

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Solution

The fourth proportional to 131,998.20, 197,997.30 and 98,950.20 is: 148,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,998.20 : 197,997.30 = 98,950.20 : x
  2. Step 2: Convert to fraction form
    131,998.20/197,997.30 = 98,950.20/x
  3. Step 3: Cross multiply
    131,998.20x = 197,997.30 × 98,950.20
  4. Step 4: Simplify right side
    131,998.20x = 19,591,872,434.46
  5. Step 5: Solve for x
    x = 19,591,872,434.46/131,998.20
  6. Step 6: Final answer
    x = 148,425.30

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Similar ratio
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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.