Home / 154,436.91-231,672.65-49,231.47

Finding the Fourth Proportional to 154,436.91, 231,672.65 and 49,231.47

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Solution

The fourth proportional to 154,436.91, 231,672.65 and 49,231.47 is: 73,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,436.91 : 231,672.65 = 49,231.47 : x
  2. Step 2: Convert to fraction form
    154,436.91/231,672.65 = 49,231.47/x
  3. Step 3: Cross multiply
    154,436.91x = 231,672.65 × 49,231.47
  4. Step 4: Simplify right side
    154,436.91x = 11,405,584,872.14
  5. Step 5: Solve for x
    x = 11,405,584,872.14/154,436.91
  6. Step 6: Final answer
    x = 73,852.71

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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.