Home / 131,910.48-197,658.18-101,997.78

Finding the Fourth Proportional to 131,910.48, 197,658.18 and 101,997.78

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Solution

The fourth proportional to 131,910.48, 197,658.18 and 101,997.78 is: 152,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,910.48 : 197,658.18 = 101,997.78 : x
  2. Step 2: Convert to fraction form
    131,910.48/197,658.18 = 101,997.78/x
  3. Step 3: Cross multiply
    131,910.48x = 197,658.18 × 101,997.78
  4. Step 4: Simplify right side
    131,910.48x = 20,160,695,558.84
  5. Step 5: Solve for x
    x = 20,160,695,558.84/131,910.48
  6. Step 6: Final answer
    x = 152,836.19

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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.