Home / 132,824.32-199,528.44-80,265.04

Finding the Fourth Proportional to 132,824.32, 199,528.44 and 80,265.04

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Solution

The fourth proportional to 132,824.32, 199,528.44 and 80,265.04 is: 120,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,824.32 : 199,528.44 = 80,265.04 : x
  2. Step 2: Convert to fraction form
    132,824.32/199,528.44 = 80,265.04/x
  3. Step 3: Cross multiply
    132,824.32x = 199,528.44 × 80,265.04
  4. Step 4: Simplify right side
    132,824.32x = 16,015,158,217.74
  5. Step 5: Solve for x
    x = 16,015,158,217.74/132,824.32
  6. Step 6: Final answer
    x = 120,573.99

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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.