Home / 154,135.98-231,208.71-41,815.75

Finding the Fourth Proportional to 154,135.98, 231,208.71 and 41,815.75

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Solution

The fourth proportional to 154,135.98, 231,208.71 and 41,815.75 is: 62,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,135.98 : 231,208.71 = 41,815.75 : x
  2. Step 2: Convert to fraction form
    154,135.98/231,208.71 = 41,815.75/x
  3. Step 3: Cross multiply
    154,135.98x = 231,208.71 × 41,815.75
  4. Step 4: Simplify right side
    154,135.98x = 9,668,165,615.18
  5. Step 5: Solve for x
    x = 9,668,165,615.18/154,135.98
  6. Step 6: Final answer
    x = 62,724.91

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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.