Home / 250,129.82-345,179.08-135,408.38

Finding the Fourth Proportional to 250,129.82, 345,179.08 and 135,408.38

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Solution

The fourth proportional to 250,129.82, 345,179.08 and 135,408.38 is: 186,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,129.82 : 345,179.08 = 135,408.38 : x
  2. Step 2: Convert to fraction form
    250,129.82/345,179.08 = 135,408.38/x
  3. Step 3: Cross multiply
    250,129.82x = 345,179.08 × 135,408.38
  4. Step 4: Simplify right side
    250,129.82x = 46,740,140,032.69
  5. Step 5: Solve for x
    x = 46,740,140,032.69/250,129.82
  6. Step 6: Final answer
    x = 186,863.53

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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.