Home / 248,096.20-372,144.30-81,862.60

Finding the Fourth Proportional to 248,096.20, 372,144.30 and 81,862.60

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Solution

The fourth proportional to 248,096.20, 372,144.30 and 81,862.60 is: 122,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,096.20 : 372,144.30 = 81,862.60 : x
  2. Step 2: Convert to fraction form
    248,096.20/372,144.30 = 81,862.60/x
  3. Step 3: Cross multiply
    248,096.20x = 372,144.30 × 81,862.60
  4. Step 4: Simplify right side
    248,096.20x = 30,464,699,973.18
  5. Step 5: Solve for x
    x = 30,464,699,973.18/248,096.20
  6. Step 6: Final answer
    x = 122,793.90

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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.