Home / 154,842.33-213,521.66-109,499.61

Finding the Fourth Proportional to 154,842.33, 213,521.66 and 109,499.61

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Solution

The fourth proportional to 154,842.33, 213,521.66 and 109,499.61 is: 150,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,842.33 : 213,521.66 = 109,499.61 : x
  2. Step 2: Convert to fraction form
    154,842.33/213,521.66 = 109,499.61/x
  3. Step 3: Cross multiply
    154,842.33x = 213,521.66 × 109,499.61
  4. Step 4: Simplify right side
    154,842.33x = 23,380,537,949.05
  5. Step 5: Solve for x
    x = 23,380,537,949.05/154,842.33
  6. Step 6: Final answer
    x = 150,995.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.