Home / 141,422.33-195,163.55-77,764.23

Finding the Fourth Proportional to 141,422.33, 195,163.55 and 77,764.23

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Solution

The fourth proportional to 141,422.33, 195,163.55 and 77,764.23 is: 107,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,422.33 : 195,163.55 = 77,764.23 : x
  2. Step 2: Convert to fraction form
    141,422.33/195,163.55 = 77,764.23/x
  3. Step 3: Cross multiply
    141,422.33x = 195,163.55 × 77,764.23
  4. Step 4: Simplify right side
    141,422.33x = 15,176,743,189.82
  5. Step 5: Solve for x
    x = 15,176,743,189.82/141,422.33
  6. Step 6: Final answer
    x = 107,315.04

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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.