Home / 228,174.38-342,115.75-109,609.82

Finding the Fourth Proportional to 228,174.38, 342,115.75 and 109,609.82

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Solution

The fourth proportional to 228,174.38, 342,115.75 and 109,609.82 is: 164,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,174.38 : 342,115.75 = 109,609.82 : x
  2. Step 2: Convert to fraction form
    228,174.38/342,115.75 = 109,609.82/x
  3. Step 3: Cross multiply
    228,174.38x = 342,115.75 × 109,609.82
  4. Step 4: Simplify right side
    228,174.38x = 37,499,245,776.67
  5. Step 5: Solve for x
    x = 37,499,245,776.67/228,174.38
  6. Step 6: Final answer
    x = 164,344.68

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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.