Home / 141,604.52-195,413.78-77,942.36

Finding the Fourth Proportional to 141,604.52, 195,413.78 and 77,942.36

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Solution

The fourth proportional to 141,604.52, 195,413.78 and 77,942.36 is: 107,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,604.52 : 195,413.78 = 77,942.36 : x
  2. Step 2: Convert to fraction form
    141,604.52/195,413.78 = 77,942.36/x
  3. Step 3: Cross multiply
    141,604.52x = 195,413.78 × 77,942.36
  4. Step 4: Simplify right side
    141,604.52x = 15,231,011,189.72
  5. Step 5: Solve for x
    x = 15,231,011,189.72/141,604.52
  6. Step 6: Final answer
    x = 107,560.20

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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.