Home / 165,257.28-248,988.66-149,480.64

Finding the Fourth Proportional to 165,257.28, 248,988.66 and 149,480.64

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Solution

The fourth proportional to 165,257.28, 248,988.66 and 149,480.64 is: 225,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,257.28 : 248,988.66 = 149,480.64 : x
  2. Step 2: Convert to fraction form
    165,257.28/248,988.66 = 149,480.64/x
  3. Step 3: Cross multiply
    165,257.28x = 248,988.66 × 149,480.64
  4. Step 4: Simplify right side
    165,257.28x = 37,218,984,249.54
  5. Step 5: Solve for x
    x = 37,218,984,249.54/165,257.28
  6. Step 6: Final answer
    x = 225,218.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.