Home / 181,516.87-272,239.42-172,515.31

Finding the Fourth Proportional to 181,516.87, 272,239.42 and 172,515.31

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Solution

The fourth proportional to 181,516.87, 272,239.42 and 172,515.31 is: 258,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,516.87 : 272,239.42 = 172,515.31 : x
  2. Step 2: Convert to fraction form
    181,516.87/272,239.42 = 172,515.31/x
  3. Step 3: Cross multiply
    181,516.87x = 272,239.42 × 172,515.31
  4. Step 4: Simplify right side
    181,516.87x = 46,965,467,935.52
  5. Step 5: Solve for x
    x = 46,965,467,935.52/181,516.87
  6. Step 6: Final answer
    x = 258,738.86

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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.