Home / 248,044.20-372,122.44-90,273.48

Finding the Fourth Proportional to 248,044.20, 372,122.44 and 90,273.48

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Solution

The fourth proportional to 248,044.20, 372,122.44 and 90,273.48 is: 135,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,044.20 : 372,122.44 = 90,273.48 : x
  2. Step 2: Convert to fraction form
    248,044.20/372,122.44 = 90,273.48/x
  3. Step 3: Cross multiply
    248,044.20x = 372,122.44 × 90,273.48
  4. Step 4: Simplify right side
    248,044.20x = 33,592,787,644.89
  5. Step 5: Solve for x
    x = 33,592,787,644.89/248,044.20
  6. Step 6: Final answer
    x = 135,430.65

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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.