Home / 131,265.10-196,768.05-64,650.70

Finding the Fourth Proportional to 131,265.10, 196,768.05 and 64,650.70

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Solution

The fourth proportional to 131,265.10, 196,768.05 and 64,650.70 is: 96,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,265.10 : 196,768.05 = 64,650.70 : x
  2. Step 2: Convert to fraction form
    131,265.10/196,768.05 = 64,650.70/x
  3. Step 3: Cross multiply
    131,265.10x = 196,768.05 × 64,650.70
  4. Step 4: Simplify right side
    131,265.10x = 12,721,192,170.14
  5. Step 5: Solve for x
    x = 12,721,192,170.14/131,265.10
  6. Step 6: Final answer
    x = 96,912.22

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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.