Home / 248,359.17-372,279.42-115,129.56

Finding the Fourth Proportional to 248,359.17, 372,279.42 and 115,129.56

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Solution

The fourth proportional to 248,359.17, 372,279.42 and 115,129.56 is: 172,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,359.17 : 372,279.42 = 115,129.56 : x
  2. Step 2: Convert to fraction form
    248,359.17/372,279.42 = 115,129.56/x
  3. Step 3: Cross multiply
    248,359.17x = 372,279.42 × 115,129.56
  4. Step 4: Simplify right side
    248,359.17x = 42,860,365,821.66
  5. Step 5: Solve for x
    x = 42,860,365,821.66/248,359.17
  6. Step 6: Final answer
    x = 172,574.12

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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.