Home / 250,328.82-345,454.54-135,608.64

Finding the Fourth Proportional to 250,328.82, 345,454.54 and 135,608.64

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Solution

The fourth proportional to 250,328.82, 345,454.54 and 135,608.64 is: 187,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,328.82 : 345,454.54 = 135,608.64 : x
  2. Step 2: Convert to fraction form
    250,328.82/345,454.54 = 135,608.64/x
  3. Step 3: Cross multiply
    250,328.82x = 345,454.54 × 135,608.64
  4. Step 4: Simplify right side
    250,328.82x = 46,846,620,351.23
  5. Step 5: Solve for x
    x = 46,846,620,351.23/250,328.82
  6. Step 6: Final answer
    x = 187,140.34

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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.