Home / 80,105.20-119,898.60-73,884.40

Finding the Fourth Proportional to 80,105.20, 119,898.60 and 73,884.40

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Solution

The fourth proportional to 80,105.20, 119,898.60 and 73,884.40 is: 110,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,105.20 : 119,898.60 = 73,884.40 : x
  2. Step 2: Convert to fraction form
    80,105.20/119,898.60 = 73,884.40/x
  3. Step 3: Cross multiply
    80,105.20x = 119,898.60 × 73,884.40
  4. Step 4: Simplify right side
    80,105.20x = 8,858,636,121.84
  5. Step 5: Solve for x
    x = 8,858,636,121.84/80,105.20
  6. Step 6: Final answer
    x = 110,587.53

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1.5x scale

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.