Home / 141,934.82-195,871.35-78,274.82

Finding the Fourth Proportional to 141,934.82, 195,871.35 and 78,274.82

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Solution

The fourth proportional to 141,934.82, 195,871.35 and 78,274.82 is: 108,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,934.82 : 195,871.35 = 78,274.82 : x
  2. Step 2: Convert to fraction form
    141,934.82/195,871.35 = 78,274.82/x
  3. Step 3: Cross multiply
    141,934.82x = 195,871.35 × 78,274.82
  4. Step 4: Simplify right side
    141,934.82x = 15,331,794,664.41
  5. Step 5: Solve for x
    x = 15,331,794,664.41/141,934.82
  6. Step 6: Final answer
    x = 108,019.97

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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.