Home / 154,135.97-231,208.83-41,815.91

Finding the Fourth Proportional to 154,135.97, 231,208.83 and 41,815.91

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Solution

The fourth proportional to 154,135.97, 231,208.83 and 41,815.91 is: 62,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,135.97 : 231,208.83 = 41,815.91 : x
  2. Step 2: Convert to fraction form
    154,135.97/231,208.83 = 41,815.91/x
  3. Step 3: Cross multiply
    154,135.97x = 231,208.83 × 41,815.91
  4. Step 4: Simplify right side
    154,135.97x = 9,668,207,626.49
  5. Step 5: Solve for x
    x = 9,668,207,626.49/154,135.97
  6. Step 6: Final answer
    x = 62,725.19

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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.