Home / 258,082.20-387,123.30-195,096.60

Finding the Fourth Proportional to 258,082.20, 387,123.30 and 195,096.60

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Solution

The fourth proportional to 258,082.20, 387,123.30 and 195,096.60 is: 292,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,082.20 : 387,123.30 = 195,096.60 : x
  2. Step 2: Convert to fraction form
    258,082.20/387,123.30 = 195,096.60/x
  3. Step 3: Cross multiply
    258,082.20x = 387,123.30 × 195,096.60
  4. Step 4: Simplify right side
    258,082.20x = 75,526,439,610.78
  5. Step 5: Solve for x
    x = 75,526,439,610.78/258,082.20
  6. Step 6: Final answer
    x = 292,644.90

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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.