Home / 154,642.75-231,845.79-107,121.26

Finding the Fourth Proportional to 154,642.75, 231,845.79 and 107,121.26

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Solution

The fourth proportional to 154,642.75, 231,845.79 and 107,121.26 is: 160,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,642.75 : 231,845.79 = 107,121.26 : x
  2. Step 2: Convert to fraction form
    154,642.75/231,845.79 = 107,121.26/x
  3. Step 3: Cross multiply
    154,642.75x = 231,845.79 × 107,121.26
  4. Step 4: Simplify right side
    154,642.75x = 24,835,613,150.50
  5. Step 5: Solve for x
    x = 24,835,613,150.50/154,642.75
  6. Step 6: Final answer
    x = 160,599.92

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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.