Home / 129,786.32-194,690.82-36,292.34

Finding the Fourth Proportional to 129,786.32, 194,690.82 and 36,292.34

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Solution

The fourth proportional to 129,786.32, 194,690.82 and 36,292.34 is: 54,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,786.32 : 194,690.82 = 36,292.34 : x
  2. Step 2: Convert to fraction form
    129,786.32/194,690.82 = 36,292.34/x
  3. Step 3: Cross multiply
    129,786.32x = 194,690.82 × 36,292.34
  4. Step 4: Simplify right side
    129,786.32x = 7,065,786,057.14
  5. Step 5: Solve for x
    x = 7,065,786,057.14/129,786.32
  6. Step 6: Final answer
    x = 54,441.68

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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.