Home / 250,329.82-345,455.91-135,609.64

Finding the Fourth Proportional to 250,329.82, 345,455.91 and 135,609.64

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Solution

The fourth proportional to 250,329.82, 345,455.91 and 135,609.64 is: 187,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.82 : 345,455.91 = 135,609.64 : x
  2. Step 2: Convert to fraction form
    250,329.82/345,455.91 = 135,609.64/x
  3. Step 3: Cross multiply
    250,329.82x = 345,455.91 × 135,609.64
  4. Step 4: Simplify right side
    250,329.82x = 46,847,151,590.97
  5. Step 5: Solve for x
    x = 46,847,151,590.97/250,329.82
  6. Step 6: Final answer
    x = 187,141.71

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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.