Home / 154,032.20-231,048.30-131,481.80

Finding the Fourth Proportional to 154,032.20, 231,048.30 and 131,481.80

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Solution

The fourth proportional to 154,032.20, 231,048.30 and 131,481.80 is: 197,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.20 : 231,048.30 = 131,481.80 : x
  2. Step 2: Convert to fraction form
    154,032.20/231,048.30 = 131,481.80/x
  3. Step 3: Cross multiply
    154,032.20x = 231,048.30 × 131,481.80
  4. Step 4: Simplify right side
    154,032.20x = 30,378,646,370.94
  5. Step 5: Solve for x
    x = 30,378,646,370.94/154,032.20
  6. Step 6: Final answer
    x = 197,222.70

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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.