Home / 248,378.90-372,359.37-108,031.82

Finding the Fourth Proportional to 248,378.90, 372,359.37 and 108,031.82

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Solution

The fourth proportional to 248,378.90, 372,359.37 and 108,031.82 is: 161,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,378.90 : 372,359.37 = 108,031.82 : x
  2. Step 2: Convert to fraction form
    248,378.90/372,359.37 = 108,031.82/x
  3. Step 3: Cross multiply
    248,378.90x = 372,359.37 × 108,031.82
  4. Step 4: Simplify right side
    248,378.90x = 40,226,660,435.15
  5. Step 5: Solve for x
    x = 40,226,660,435.15/248,378.90
  6. Step 6: Final answer
    x = 161,956.83

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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.