Home / 248,045.20-372,123.94-90,274.48

Finding the Fourth Proportional to 248,045.20, 372,123.94 and 90,274.48

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Solution

The fourth proportional to 248,045.20, 372,123.94 and 90,274.48 is: 135,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,045.20 : 372,123.94 = 90,274.48 : x
  2. Step 2: Convert to fraction form
    248,045.20/372,123.94 = 90,274.48/x
  3. Step 3: Cross multiply
    248,045.20x = 372,123.94 × 90,274.48
  4. Step 4: Simplify right side
    248,045.20x = 33,593,295,179.05
  5. Step 5: Solve for x
    x = 33,593,295,179.05/248,045.20
  6. Step 6: Final answer
    x = 135,432.15

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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.