Home / 192,715.29-288,698.85-142,022.25

Finding the Fourth Proportional to 192,715.29, 288,698.85 and 142,022.25

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Solution

The fourth proportional to 192,715.29, 288,698.85 and 142,022.25 is: 212,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,715.29 : 288,698.85 = 142,022.25 : x
  2. Step 2: Convert to fraction form
    192,715.29/288,698.85 = 142,022.25/x
  3. Step 3: Cross multiply
    192,715.29x = 288,698.85 × 142,022.25
  4. Step 4: Simplify right side
    192,715.29x = 41,001,660,249.41
  5. Step 5: Solve for x
    x = 41,001,660,249.41/192,715.29
  6. Step 6: Final answer
    x = 212,757.69

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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.