Home / 248,131.90-372,234.75-115,025.61

Finding the Fourth Proportional to 248,131.90, 372,234.75 and 115,025.61

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Solution

The fourth proportional to 248,131.90, 372,234.75 and 115,025.61 is: 172,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,131.90 : 372,234.75 = 115,025.61 : x
  2. Step 2: Convert to fraction form
    248,131.90/372,234.75 = 115,025.61/x
  3. Step 3: Cross multiply
    248,131.90x = 372,234.75 × 115,025.61
  4. Step 4: Simplify right side
    248,131.90x = 42,816,529,181.95
  5. Step 5: Solve for x
    x = 42,816,529,181.95/248,131.90
  6. Step 6: Final answer
    x = 172,555.52

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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.