Home / 192,422.82-288,318.62-135,987.24

Finding the Fourth Proportional to 192,422.82, 288,318.62 and 135,987.24

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Solution

The fourth proportional to 192,422.82, 288,318.62 and 135,987.24 is: 203,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,422.82 : 288,318.62 = 135,987.24 : x
  2. Step 2: Convert to fraction form
    192,422.82/288,318.62 = 135,987.24/x
  3. Step 3: Cross multiply
    192,422.82x = 288,318.62 × 135,987.24
  4. Step 4: Simplify right side
    192,422.82x = 39,207,653,374.41
  5. Step 5: Solve for x
    x = 39,207,653,374.41/192,422.82
  6. Step 6: Final answer
    x = 203,757.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.