Home / 96,620.20-144,930.30-54,629.80

Finding the Fourth Proportional to 96,620.20, 144,930.30 and 54,629.80

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Solution

The fourth proportional to 96,620.20, 144,930.30 and 54,629.80 is: 81,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,620.20 : 144,930.30 = 54,629.80 : x
  2. Step 2: Convert to fraction form
    96,620.20/144,930.30 = 54,629.80/x
  3. Step 3: Cross multiply
    96,620.20x = 144,930.30 × 54,629.80
  4. Step 4: Simplify right side
    96,620.20x = 7,917,513,302.94
  5. Step 5: Solve for x
    x = 7,917,513,302.94/96,620.20
  6. Step 6: Final answer
    x = 81,944.70

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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.