Home / 148,729.24-205,244.90-80,744.74

Finding the Fourth Proportional to 148,729.24, 205,244.90 and 80,744.74

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Solution

The fourth proportional to 148,729.24, 205,244.90 and 80,744.74 is: 111,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,729.24 : 205,244.90 = 80,744.74 : x
  2. Step 2: Convert to fraction form
    148,729.24/205,244.90 = 80,744.74/x
  3. Step 3: Cross multiply
    148,729.24x = 205,244.90 × 80,744.74
  4. Step 4: Simplify right side
    148,729.24x = 16,572,446,086.83
  5. Step 5: Solve for x
    x = 16,572,446,086.83/148,729.24
  6. Step 6: Final answer
    x = 111,426.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.