Home / 250,100.26-345,139.37-136,933.54

Finding the Fourth Proportional to 250,100.26, 345,139.37 and 136,933.54

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Solution

The fourth proportional to 250,100.26, 345,139.37 and 136,933.54 is: 188,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,100.26 : 345,139.37 = 136,933.54 : x
  2. Step 2: Convert to fraction form
    250,100.26/345,139.37 = 136,933.54/x
  3. Step 3: Cross multiply
    250,100.26x = 345,139.37 × 136,933.54
  4. Step 4: Simplify right side
    250,100.26x = 47,261,155,727.47
  5. Step 5: Solve for x
    x = 47,261,155,727.47/250,100.26
  6. Step 6: Final answer
    x = 188,968.84

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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.