Home / 259,297.43-388,942.26-158,125.20

Finding the Fourth Proportional to 259,297.43, 388,942.26 and 158,125.20

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Solution

The fourth proportional to 259,297.43, 388,942.26 and 158,125.20 is: 237,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,297.43 : 388,942.26 = 158,125.20 : x
  2. Step 2: Convert to fraction form
    259,297.43/388,942.26 = 158,125.20/x
  3. Step 3: Cross multiply
    259,297.43x = 388,942.26 × 158,125.20
  4. Step 4: Simplify right side
    259,297.43x = 61,501,572,650.95
  5. Step 5: Solve for x
    x = 61,501,572,650.95/259,297.43
  6. Step 6: Final answer
    x = 237,185.44

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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.