Home / 234,178.26-323,173.82-143,516.72

Finding the Fourth Proportional to 234,178.26, 323,173.82 and 143,516.72

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Solution

The fourth proportional to 234,178.26, 323,173.82 and 143,516.72 is: 198,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,178.26 : 323,173.82 = 143,516.72 : x
  2. Step 2: Convert to fraction form
    234,178.26/323,173.82 = 143,516.72/x
  3. Step 3: Cross multiply
    234,178.26x = 323,173.82 × 143,516.72
  4. Step 4: Simplify right side
    234,178.26x = 46,380,845,379.19
  5. Step 5: Solve for x
    x = 46,380,845,379.19/234,178.26
  6. Step 6: Final answer
    x = 198,057.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.