Home / 141,992.37-195,949.49-78,330.33

Finding the Fourth Proportional to 141,992.37, 195,949.49 and 78,330.33

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Solution

The fourth proportional to 141,992.37, 195,949.49 and 78,330.33 is: 108,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,992.37 : 195,949.49 = 78,330.33 : x
  2. Step 2: Convert to fraction form
    141,992.37/195,949.49 = 78,330.33/x
  3. Step 3: Cross multiply
    141,992.37x = 195,949.49 × 78,330.33
  4. Step 4: Simplify right side
    141,992.37x = 15,348,787,823.38
  5. Step 5: Solve for x
    x = 15,348,787,823.38/141,992.37
  6. Step 6: Final answer
    x = 108,095.86

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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.