Home / 250,349.24-345,481.52-135,630.78

Finding the Fourth Proportional to 250,349.24, 345,481.52 and 135,630.78

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Solution

The fourth proportional to 250,349.24, 345,481.52 and 135,630.78 is: 187,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,349.24 : 345,481.52 = 135,630.78 : x
  2. Step 2: Convert to fraction form
    250,349.24/345,481.52 = 135,630.78/x
  3. Step 3: Cross multiply
    250,349.24x = 345,481.52 × 135,630.78
  4. Step 4: Simplify right side
    250,349.24x = 46,857,927,355.03
  5. Step 5: Solve for x
    x = 46,857,927,355.03/250,349.24
  6. Step 6: Final answer
    x = 187,170.24

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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.