Home / 248,921.20-373,381.80-82,709.20

Finding the Fourth Proportional to 248,921.20, 373,381.80 and 82,709.20

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Solution

The fourth proportional to 248,921.20, 373,381.80 and 82,709.20 is: 124,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,921.20 : 373,381.80 = 82,709.20 : x
  2. Step 2: Convert to fraction form
    248,921.20/373,381.80 = 82,709.20/x
  3. Step 3: Cross multiply
    248,921.20x = 373,381.80 × 82,709.20
  4. Step 4: Simplify right side
    248,921.20x = 30,882,109,972.56
  5. Step 5: Solve for x
    x = 30,882,109,972.56/248,921.20
  6. Step 6: Final answer
    x = 124,063.80

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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.