Home / 102,620.30-153,930.45-60,629.90

Finding the Fourth Proportional to 102,620.30, 153,930.45 and 60,629.90

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Solution

The fourth proportional to 102,620.30, 153,930.45 and 60,629.90 is: 90,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,620.30 : 153,930.45 = 60,629.90 : x
  2. Step 2: Convert to fraction form
    102,620.30/153,930.45 = 60,629.90/x
  3. Step 3: Cross multiply
    102,620.30x = 153,930.45 × 60,629.90
  4. Step 4: Simplify right side
    102,620.30x = 9,332,787,790.46
  5. Step 5: Solve for x
    x = 9,332,787,790.46/102,620.30
  6. Step 6: Final answer
    x = 90,944.85

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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.