Home / 141,682.69-211,418.92-129,107.44

Finding the Fourth Proportional to 141,682.69, 211,418.92 and 129,107.44

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Solution

The fourth proportional to 141,682.69, 211,418.92 and 129,107.44 is: 192,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,682.69 : 211,418.92 = 129,107.44 : x
  2. Step 2: Convert to fraction form
    141,682.69/211,418.92 = 129,107.44/x
  3. Step 3: Cross multiply
    141,682.69x = 211,418.92 × 129,107.44
  4. Step 4: Simplify right side
    141,682.69x = 27,295,755,528.76
  5. Step 5: Solve for x
    x = 27,295,755,528.76/141,682.69
  6. Step 6: Final answer
    x = 192,654.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.