Home / 144,939.96-200,027.40-80,429.86

Finding the Fourth Proportional to 144,939.96, 200,027.40 and 80,429.86

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Solution

The fourth proportional to 144,939.96, 200,027.40 and 80,429.86 is: 110,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,939.96 : 200,027.40 = 80,429.86 : x
  2. Step 2: Convert to fraction form
    144,939.96/200,027.40 = 80,429.86/x
  3. Step 3: Cross multiply
    144,939.96x = 200,027.40 × 80,429.86
  4. Step 4: Simplify right side
    144,939.96x = 16,088,175,778.16
  5. Step 5: Solve for x
    x = 16,088,175,778.16/144,939.96
  6. Step 6: Final answer
    x = 110,998.90

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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.