Home / 248,096.93-371,920.31-90,213.75

Finding the Fourth Proportional to 248,096.93, 371,920.31 and 90,213.75

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Solution

The fourth proportional to 248,096.93, 371,920.31 and 90,213.75 is: 135,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,096.93 : 371,920.31 = 90,213.75 : x
  2. Step 2: Convert to fraction form
    248,096.93/371,920.31 = 90,213.75/x
  3. Step 3: Cross multiply
    248,096.93x = 371,920.31 × 90,213.75
  4. Step 4: Simplify right side
    248,096.93x = 33,552,325,753.50
  5. Step 5: Solve for x
    x = 33,552,325,753.50/248,096.93
  6. Step 6: Final answer
    x = 135,238.78

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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.