Home / 129,866.20-194,806.68-36,379.24

Finding the Fourth Proportional to 129,866.20, 194,806.68 and 36,379.24

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Solution

The fourth proportional to 129,866.20, 194,806.68 and 36,379.24 is: 54,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,866.20 : 194,806.68 = 36,379.24 : x
  2. Step 2: Convert to fraction form
    129,866.20/194,806.68 = 36,379.24/x
  3. Step 3: Cross multiply
    129,866.20x = 194,806.68 × 36,379.24
  4. Step 4: Simplify right side
    129,866.20x = 7,086,918,965.32
  5. Step 5: Solve for x
    x = 7,086,918,965.32/129,866.20
  6. Step 6: Final answer
    x = 54,570.93

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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.