Home / 181,515.87-272,237.92-172,514.31

Finding the Fourth Proportional to 181,515.87, 272,237.92 and 172,514.31

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Solution

The fourth proportional to 181,515.87, 272,237.92 and 172,514.31 is: 258,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,515.87 : 272,237.92 = 172,514.31 : x
  2. Step 2: Convert to fraction form
    181,515.87/272,237.92 = 172,514.31/x
  3. Step 3: Cross multiply
    181,515.87x = 272,237.92 × 172,514.31
  4. Step 4: Simplify right side
    181,515.87x = 46,964,936,493.35
  5. Step 5: Solve for x
    x = 46,964,936,493.35/181,515.87
  6. Step 6: Final answer
    x = 258,737.35

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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.