Home / 141,496.52-195,292.92-81,107.64

Finding the Fourth Proportional to 141,496.52, 195,292.92 and 81,107.64

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Solution

The fourth proportional to 141,496.52, 195,292.92 and 81,107.64 is: 111,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,496.52 : 195,292.92 = 81,107.64 : x
  2. Step 2: Convert to fraction form
    141,496.52/195,292.92 = 81,107.64/x
  3. Step 3: Cross multiply
    141,496.52x = 195,292.92 × 81,107.64
  4. Step 4: Simplify right side
    141,496.52x = 15,839,747,849.91
  5. Step 5: Solve for x
    x = 15,839,747,849.91/141,496.52
  6. Step 6: Final answer
    x = 111,944.43

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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.