Home / 141,211.25-194,874.91-77,550.41

Finding the Fourth Proportional to 141,211.25, 194,874.91 and 77,550.41

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Solution

The fourth proportional to 141,211.25, 194,874.91 and 77,550.41 is: 107,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,211.25 : 194,874.91 = 77,550.41 : x
  2. Step 2: Convert to fraction form
    141,211.25/194,874.91 = 77,550.41/x
  3. Step 3: Cross multiply
    141,211.25x = 194,874.91 × 77,550.41
  4. Step 4: Simplify right side
    141,211.25x = 15,112,629,898.75
  5. Step 5: Solve for x
    x = 15,112,629,898.75/141,211.25
  6. Step 6: Final answer
    x = 107,021.43

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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.