Home / 131,945.80-197,546.10-102,704.80

Finding the Fourth Proportional to 131,945.80, 197,546.10 and 102,704.80

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Solution

The fourth proportional to 131,945.80, 197,546.10 and 102,704.80 is: 153,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,945.80 : 197,546.10 = 102,704.80 : x
  2. Step 2: Convert to fraction form
    131,945.80/197,546.10 = 102,704.80/x
  3. Step 3: Cross multiply
    131,945.80x = 197,546.10 × 102,704.80
  4. Step 4: Simplify right side
    131,945.80x = 20,288,932,691.28
  5. Step 5: Solve for x
    x = 20,288,932,691.28/131,945.80
  6. Step 6: Final answer
    x = 153,767.17

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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.