Home / 250,331.82-345,458.67-135,611.64

Finding the Fourth Proportional to 250,331.82, 345,458.67 and 135,611.64

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Solution

The fourth proportional to 250,331.82, 345,458.67 and 135,611.64 is: 187,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.82 : 345,458.67 = 135,611.64 : x
  2. Step 2: Convert to fraction form
    250,331.82/345,458.67 = 135,611.64/x
  3. Step 3: Cross multiply
    250,331.82x = 345,458.67 × 135,611.64
  4. Step 4: Simplify right side
    250,331.82x = 46,848,216,790.92
  5. Step 5: Solve for x
    x = 46,848,216,790.92/250,331.82
  6. Step 6: Final answer
    x = 187,144.47

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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.