Home / 240,115.05-360,190.80-71,622.18

Finding the Fourth Proportional to 240,115.05, 360,190.80 and 71,622.18

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Solution

The fourth proportional to 240,115.05, 360,190.80 and 71,622.18 is: 107,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,115.05 : 360,190.80 = 71,622.18 : x
  2. Step 2: Convert to fraction form
    240,115.05/360,190.80 = 71,622.18/x
  3. Step 3: Cross multiply
    240,115.05x = 360,190.80 × 71,622.18
  4. Step 4: Simplify right side
    240,115.05x = 25,797,650,311.94
  5. Step 5: Solve for x
    x = 25,797,650,311.94/240,115.05
  6. Step 6: Final answer
    x = 107,438.71

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1.5x scale

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.