Home / 141,796.05-195,682.67-78,137.95

Finding the Fourth Proportional to 141,796.05, 195,682.67 and 78,137.95

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Solution

The fourth proportional to 141,796.05, 195,682.67 and 78,137.95 is: 107,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.05 : 195,682.67 = 78,137.95 : x
  2. Step 2: Convert to fraction form
    141,796.05/195,682.67 = 78,137.95/x
  3. Step 3: Cross multiply
    141,796.05x = 195,682.67 × 78,137.95
  4. Step 4: Simplify right side
    141,796.05x = 15,290,243,344.35
  5. Step 5: Solve for x
    x = 15,290,243,344.35/141,796.05
  6. Step 6: Final answer
    x = 107,832.64

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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.