Home / 250,107.26-345,149.03-136,940.54

Finding the Fourth Proportional to 250,107.26, 345,149.03 and 136,940.54

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Solution

The fourth proportional to 250,107.26, 345,149.03 and 136,940.54 is: 188,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,107.26 : 345,149.03 = 136,940.54 : x
  2. Step 2: Convert to fraction form
    250,107.26/345,149.03 = 136,940.54/x
  3. Step 3: Cross multiply
    250,107.26x = 345,149.03 × 136,940.54
  4. Step 4: Simplify right side
    250,107.26x = 47,264,894,548.68
  5. Step 5: Solve for x
    x = 47,264,894,548.68/250,107.26
  6. Step 6: Final answer
    x = 188,978.50

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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.