Home / 131,786.28-197,677.80-52,899.12

Finding the Fourth Proportional to 131,786.28, 197,677.80 and 52,899.12

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Solution

The fourth proportional to 131,786.28, 197,677.80 and 52,899.12 is: 79,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,786.28 : 197,677.80 = 52,899.12 : x
  2. Step 2: Convert to fraction form
    131,786.28/197,677.80 = 52,899.12/x
  3. Step 3: Cross multiply
    131,786.28x = 197,677.80 × 52,899.12
  4. Step 4: Simplify right side
    131,786.28x = 10,456,981,663.54
  5. Step 5: Solve for x
    x = 10,456,981,663.54/131,786.28
  6. Step 6: Final answer
    x = 79,348.03

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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.