Home / 223,532.20-335,079.60-90,234.55

Finding the Fourth Proportional to 223,532.20, 335,079.60 and 90,234.55

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Solution

The fourth proportional to 223,532.20, 335,079.60 and 90,234.55 is: 135,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,532.20 : 335,079.60 = 90,234.55 : x
  2. Step 2: Convert to fraction form
    223,532.20/335,079.60 = 90,234.55/x
  3. Step 3: Cross multiply
    223,532.20x = 335,079.60 × 90,234.55
  4. Step 4: Simplify right side
    223,532.20x = 30,235,756,920.18
  5. Step 5: Solve for x
    x = 30,235,756,920.18/223,532.20
  6. Step 6: Final answer
    x = 135,263.54

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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.