Home / 121,379.72-182,104.14-51,245.96

Finding the Fourth Proportional to 121,379.72, 182,104.14 and 51,245.96

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Solution

The fourth proportional to 121,379.72, 182,104.14 and 51,245.96 is: 76,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379.72 : 182,104.14 = 51,245.96 : x
  2. Step 2: Convert to fraction form
    121,379.72/182,104.14 = 51,245.96/x
  3. Step 3: Cross multiply
    121,379.72x = 182,104.14 × 51,245.96
  4. Step 4: Simplify right side
    121,379.72x = 9,332,101,474.27
  5. Step 5: Solve for x
    x = 9,332,101,474.27/121,379.72
  6. Step 6: Final answer
    x = 76,883.53

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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.