Home / 146,208.86-219,269.14-76,049.90

Finding the Fourth Proportional to 146,208.86, 219,269.14 and 76,049.90

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Solution

The fourth proportional to 146,208.86, 219,269.14 and 76,049.90 is: 114,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.86 : 219,269.14 = 76,049.90 : x
  2. Step 2: Convert to fraction form
    146,208.86/219,269.14 = 76,049.90/x
  3. Step 3: Cross multiply
    146,208.86x = 219,269.14 × 76,049.90
  4. Step 4: Simplify right side
    146,208.86x = 16,675,396,170.09
  5. Step 5: Solve for x
    x = 16,675,396,170.09/146,208.86
  6. Step 6: Final answer
    x = 114,051.89

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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.