Home / 141,350.13-195,074.33-80,939.79

Finding the Fourth Proportional to 141,350.13, 195,074.33 and 80,939.79

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Solution

The fourth proportional to 141,350.13, 195,074.33 and 80,939.79 is: 111,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350.13 : 195,074.33 = 80,939.79 : x
  2. Step 2: Convert to fraction form
    141,350.13/195,074.33 = 80,939.79/x
  3. Step 3: Cross multiply
    141,350.13x = 195,074.33 × 80,939.79
  4. Step 4: Simplify right side
    141,350.13x = 15,789,274,899.89
  5. Step 5: Solve for x
    x = 15,789,274,899.89/141,350.13
  6. Step 6: Final answer
    x = 111,703.29

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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.