Home / 144,372.92-199,235.30-80,709.35

Finding the Fourth Proportional to 144,372.92, 199,235.30 and 80,709.35

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Solution

The fourth proportional to 144,372.92, 199,235.30 and 80,709.35 is: 111,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,372.92 : 199,235.30 = 80,709.35 : x
  2. Step 2: Convert to fraction form
    144,372.92/199,235.30 = 80,709.35/x
  3. Step 3: Cross multiply
    144,372.92x = 199,235.30 × 80,709.35
  4. Step 4: Simplify right side
    144,372.92x = 16,080,150,160.33
  5. Step 5: Solve for x
    x = 16,080,150,160.33/144,372.92
  6. Step 6: Final answer
    x = 111,379.27

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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.