Home / 250,240.25-345,331.59-137,067.05

Finding the Fourth Proportional to 250,240.25, 345,331.59 and 137,067.05

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Solution

The fourth proportional to 250,240.25, 345,331.59 and 137,067.05 is: 189,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,240.25 : 345,331.59 = 137,067.05 : x
  2. Step 2: Convert to fraction form
    250,240.25/345,331.59 = 137,067.05/x
  3. Step 3: Cross multiply
    250,240.25x = 345,331.59 × 137,067.05
  4. Step 4: Simplify right side
    250,240.25x = 47,333,582,313.11
  5. Step 5: Solve for x
    x = 47,333,582,313.11/250,240.25
  6. Step 6: Final answer
    x = 189,152.55

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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.