Home / 141,468.62-195,230.82-77,810.54

Finding the Fourth Proportional to 141,468.62, 195,230.82 and 77,810.54

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Solution

The fourth proportional to 141,468.62, 195,230.82 and 77,810.54 is: 107,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,468.62 : 195,230.82 = 77,810.54 : x
  2. Step 2: Convert to fraction form
    141,468.62/195,230.82 = 77,810.54/x
  3. Step 3: Cross multiply
    141,468.62x = 195,230.82 × 77,810.54
  4. Step 4: Simplify right side
    141,468.62x = 15,191,015,528.84
  5. Step 5: Solve for x
    x = 15,191,015,528.84/141,468.62
  6. Step 6: Final answer
    x = 107,380.81

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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.