Home / 141,736.20-195,609.90-105,864

Finding the Fourth Proportional to 141,736.20, 195,609.90 and 105,864

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Solution

The fourth proportional to 141,736.20, 195,609.90 and 105,864 is: 146,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736.20 : 195,609.90 = 105,864 : x
  2. Step 2: Convert to fraction form
    141,736.20/195,609.90 = 105,864/x
  3. Step 3: Cross multiply
    141,736.20x = 195,609.90 × 105,864
  4. Step 4: Simplify right side
    141,736.20x = 20,708,046,453.60
  5. Step 5: Solve for x
    x = 20,708,046,453.60/141,736.20
  6. Step 6: Final answer
    x = 146,102.73

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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.