Home / 250,353.72-345,489.48-137,180.52

Finding the Fourth Proportional to 250,353.72, 345,489.48 and 137,180.52

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Solution

The fourth proportional to 250,353.72, 345,489.48 and 137,180.52 is: 189,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353.72 : 345,489.48 = 137,180.52 : x
  2. Step 2: Convert to fraction form
    250,353.72/345,489.48 = 137,180.52/x
  3. Step 3: Cross multiply
    250,353.72x = 345,489.48 × 137,180.52
  4. Step 4: Simplify right side
    250,353.72x = 47,394,426,520.93
  5. Step 5: Solve for x
    x = 47,394,426,520.93/250,353.72
  6. Step 6: Final answer
    x = 189,309.86

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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.