Home / 143,725.19-198,342.95-82,481.22

Finding the Fourth Proportional to 143,725.19, 198,342.95 and 82,481.22

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Solution

The fourth proportional to 143,725.19, 198,342.95 and 82,481.22 is: 113,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,725.19 : 198,342.95 = 82,481.22 : x
  2. Step 2: Convert to fraction form
    143,725.19/198,342.95 = 82,481.22/x
  3. Step 3: Cross multiply
    143,725.19x = 198,342.95 × 82,481.22
  4. Step 4: Simplify right side
    143,725.19x = 16,359,568,081.99
  5. Step 5: Solve for x
    x = 16,359,568,081.99/143,725.19
  6. Step 6: Final answer
    x = 113,825.34

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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.