Home / 144,906.20-217,370.10-51,399.80

Finding the Fourth Proportional to 144,906.20, 217,370.10 and 51,399.80

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Solution

The fourth proportional to 144,906.20, 217,370.10 and 51,399.80 is: 77,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,906.20 : 217,370.10 = 51,399.80 : x
  2. Step 2: Convert to fraction form
    144,906.20/217,370.10 = 51,399.80/x
  3. Step 3: Cross multiply
    144,906.20x = 217,370.10 × 51,399.80
  4. Step 4: Simplify right side
    144,906.20x = 11,172,779,665.98
  5. Step 5: Solve for x
    x = 11,172,779,665.98/144,906.20
  6. Step 6: Final answer
    x = 77,103.53

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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.