Home / 100,234.87-150,352.30-40,290.62

Finding the Fourth Proportional to 100,234.87, 150,352.30 and 40,290.62

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Solution

The fourth proportional to 100,234.87, 150,352.30 and 40,290.62 is: 60,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,234.87 : 150,352.30 = 40,290.62 : x
  2. Step 2: Convert to fraction form
    100,234.87/150,352.30 = 40,290.62/x
  3. Step 3: Cross multiply
    100,234.87x = 150,352.30 × 40,290.62
  4. Step 4: Simplify right side
    100,234.87x = 6,057,786,684.03
  5. Step 5: Solve for x
    x = 6,057,786,684.03/100,234.87
  6. Step 6: Final answer
    x = 60,435.92

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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.