Home / 252,082.20-377,766.90-139,811.88

Finding the Fourth Proportional to 252,082.20, 377,766.90 and 139,811.88

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Solution

The fourth proportional to 252,082.20, 377,766.90 and 139,811.88 is: 209,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,082.20 : 377,766.90 = 139,811.88 : x
  2. Step 2: Convert to fraction form
    252,082.20/377,766.90 = 139,811.88/x
  3. Step 3: Cross multiply
    252,082.20x = 377,766.90 × 139,811.88
  4. Step 4: Simplify right side
    252,082.20x = 52,816,300,490.77
  5. Step 5: Solve for x
    x = 52,816,300,490.77/252,082.20
  6. Step 6: Final answer
    x = 209,520.15

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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.