Home / 141,361.26-195,074.19-77,698.86

Finding the Fourth Proportional to 141,361.26, 195,074.19 and 77,698.86

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Solution

The fourth proportional to 141,361.26, 195,074.19 and 77,698.86 is: 107,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.26 : 195,074.19 = 77,698.86 : x
  2. Step 2: Convert to fraction form
    141,361.26/195,074.19 = 77,698.86/x
  3. Step 3: Cross multiply
    141,361.26x = 195,074.19 × 77,698.86
  4. Step 4: Simplify right side
    141,361.26x = 15,157,042,178.42
  5. Step 5: Solve for x
    x = 15,157,042,178.42/141,361.26
  6. Step 6: Final answer
    x = 107,222.04

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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.