Home / 141,919.23-195,841.34-80,663.81

Finding the Fourth Proportional to 141,919.23, 195,841.34 and 80,663.81

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Solution

The fourth proportional to 141,919.23, 195,841.34 and 80,663.81 is: 111,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,919.23 : 195,841.34 = 80,663.81 : x
  2. Step 2: Convert to fraction form
    141,919.23/195,841.34 = 80,663.81/x
  3. Step 3: Cross multiply
    141,919.23x = 195,841.34 × 80,663.81
  4. Step 4: Simplify right side
    141,919.23x = 15,797,307,257.38
  5. Step 5: Solve for x
    x = 15,797,307,257.38/141,919.23
  6. Step 6: Final answer
    x = 111,311.96

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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.