Home / 154,514.80-231,727.56-70,228

Finding the Fourth Proportional to 154,514.80, 231,727.56 and 70,228

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Solution

The fourth proportional to 154,514.80, 231,727.56 and 70,228 is: 105,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,514.80 : 231,727.56 = 70,228 : x
  2. Step 2: Convert to fraction form
    154,514.80/231,727.56 = 70,228/x
  3. Step 3: Cross multiply
    154,514.80x = 231,727.56 × 70,228
  4. Step 4: Simplify right side
    154,514.80x = 16,273,763,083.68
  5. Step 5: Solve for x
    x = 16,273,763,083.68/154,514.80
  6. Step 6: Final answer
    x = 105,321.71

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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.