Home / 219,565.82-303,084.45-143,103.54

Finding the Fourth Proportional to 219,565.82, 303,084.45 and 143,103.54

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Solution

The fourth proportional to 219,565.82, 303,084.45 and 143,103.54 is: 197,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,565.82 : 303,084.45 = 143,103.54 : x
  2. Step 2: Convert to fraction form
    219,565.82/303,084.45 = 143,103.54/x
  3. Step 3: Cross multiply
    219,565.82x = 303,084.45 × 143,103.54
  4. Step 4: Simplify right side
    219,565.82x = 43,372,458,850.52
  5. Step 5: Solve for x
    x = 43,372,458,850.52/219,565.82
  6. Step 6: Final answer
    x = 197,537.39

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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.