Home / 148,739.20-205,258.94-80,754.82

Finding the Fourth Proportional to 148,739.20, 205,258.94 and 80,754.82

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Solution

The fourth proportional to 148,739.20, 205,258.94 and 80,754.82 is: 111,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,739.20 : 205,258.94 = 80,754.82 : x
  2. Step 2: Convert to fraction form
    148,739.20/205,258.94 = 80,754.82/x
  3. Step 3: Cross multiply
    148,739.20x = 205,258.94 × 80,754.82
  4. Step 4: Simplify right side
    148,739.20x = 16,575,648,753.09
  5. Step 5: Solve for x
    x = 16,575,648,753.09/148,739.20
  6. Step 6: Final answer
    x = 111,441.02

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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.