Home / 248,478.04-372,678.86-136,213.88

Finding the Fourth Proportional to 248,478.04, 372,678.86 and 136,213.88

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Solution

The fourth proportional to 248,478.04, 372,678.86 and 136,213.88 is: 204,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,478.04 : 372,678.86 = 136,213.88 : x
  2. Step 2: Convert to fraction form
    248,478.04/372,678.86 = 136,213.88/x
  3. Step 3: Cross multiply
    248,478.04x = 372,678.86 × 136,213.88
  4. Step 4: Simplify right side
    248,478.04x = 50,764,033,514.58
  5. Step 5: Solve for x
    x = 50,764,033,514.58/248,478.04
  6. Step 6: Final answer
    x = 204,299.88

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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.