Home / 148,217.20-204,539.52-80,233.84

Finding the Fourth Proportional to 148,217.20, 204,539.52 and 80,233.84

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Solution

The fourth proportional to 148,217.20, 204,539.52 and 80,233.84 is: 110,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,217.20 : 204,539.52 = 80,233.84 : x
  2. Step 2: Convert to fraction form
    148,217.20/204,539.52 = 80,233.84/x
  3. Step 3: Cross multiply
    148,217.20x = 204,539.52 × 80,233.84
  4. Step 4: Simplify right side
    148,217.20x = 16,410,991,121.36
  5. Step 5: Solve for x
    x = 16,410,991,121.36/148,217.20
  6. Step 6: Final answer
    x = 110,722.58

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1.5x scale

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.