Home / 188,744.72-260,478.48-108,185.66

Finding the Fourth Proportional to 188,744.72, 260,478.48 and 108,185.66

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Solution

The fourth proportional to 188,744.72, 260,478.48 and 108,185.66 is: 149,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,744.72 : 260,478.48 = 108,185.66 : x
  2. Step 2: Convert to fraction form
    188,744.72/260,478.48 = 108,185.66/x
  3. Step 3: Cross multiply
    188,744.72x = 260,478.48 × 108,185.66
  4. Step 4: Simplify right side
    188,744.72x = 28,180,036,354.69
  5. Step 5: Solve for x
    x = 28,180,036,354.69/188,744.72
  6. Step 6: Final answer
    x = 149,302.39

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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.