Home / 250,627.72-345,882.06-137,450.56

Finding the Fourth Proportional to 250,627.72, 345,882.06 and 137,450.56

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Solution

The fourth proportional to 250,627.72, 345,882.06 and 137,450.56 is: 189,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.72 : 345,882.06 = 137,450.56 : x
  2. Step 2: Convert to fraction form
    250,627.72/345,882.06 = 137,450.56/x
  3. Step 3: Cross multiply
    250,627.72x = 345,882.06 × 137,450.56
  4. Step 4: Simplify right side
    250,627.72x = 47,541,682,840.95
  5. Step 5: Solve for x
    x = 47,541,682,840.95/250,627.72
  6. Step 6: Final answer
    x = 189,690.44

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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.