Home / 100,134.55-150,257.18-41,011.71

Finding the Fourth Proportional to 100,134.55, 150,257.18 and 41,011.71

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Solution

The fourth proportional to 100,134.55, 150,257.18 and 41,011.71 is: 61,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,134.55 : 150,257.18 = 41,011.71 : x
  2. Step 2: Convert to fraction form
    100,134.55/150,257.18 = 41,011.71/x
  3. Step 3: Cross multiply
    100,134.55x = 150,257.18 × 41,011.71
  4. Step 4: Simplify right side
    100,134.55x = 6,162,303,891.58
  5. Step 5: Solve for x
    x = 6,162,303,891.58/100,134.55
  6. Step 6: Final answer
    x = 61,540.24

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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.