Home / 154,379.85-231,586.79-49,174.62

Finding the Fourth Proportional to 154,379.85, 231,586.79 and 49,174.62

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Solution

The fourth proportional to 154,379.85, 231,586.79 and 49,174.62 is: 73,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,379.85 : 231,586.79 = 49,174.62 : x
  2. Step 2: Convert to fraction form
    154,379.85/231,586.79 = 49,174.62/x
  3. Step 3: Cross multiply
    154,379.85x = 231,586.79 × 49,174.62
  4. Step 4: Simplify right side
    154,379.85x = 11,388,192,149.40
  5. Step 5: Solve for x
    x = 11,388,192,149.40/154,379.85
  6. Step 6: Final answer
    x = 73,767.35

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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.