Home / 250,327.82-345,453.16-135,607.64

Finding the Fourth Proportional to 250,327.82, 345,453.16 and 135,607.64

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Solution

The fourth proportional to 250,327.82, 345,453.16 and 135,607.64 is: 187,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,327.82 : 345,453.16 = 135,607.64 : x
  2. Step 2: Convert to fraction form
    250,327.82/345,453.16 = 135,607.64/x
  3. Step 3: Cross multiply
    250,327.82x = 345,453.16 × 135,607.64
  4. Step 4: Simplify right side
    250,327.82x = 46,846,087,758.14
  5. Step 5: Solve for x
    x = 46,846,087,758.14/250,327.82
  6. Step 6: Final answer
    x = 187,138.96

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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.