Home / 154,566.20-231,922.20-115,200.20

Finding the Fourth Proportional to 154,566.20, 231,922.20 and 115,200.20

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Solution

The fourth proportional to 154,566.20, 231,922.20 and 115,200.20 is: 172,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,566.20 : 231,922.20 = 115,200.20 : x
  2. Step 2: Convert to fraction form
    154,566.20/231,922.20 = 115,200.20/x
  3. Step 3: Cross multiply
    154,566.20x = 231,922.20 × 115,200.20
  4. Step 4: Simplify right side
    154,566.20x = 26,717,483,824.44
  5. Step 5: Solve for x
    x = 26,717,483,824.44/154,566.20
  6. Step 6: Final answer
    x = 172,854.63

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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.