Home / 141,413.46-195,149.97-77,754.66

Finding the Fourth Proportional to 141,413.46, 195,149.97 and 77,754.66

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Solution

The fourth proportional to 141,413.46, 195,149.97 and 77,754.66 is: 107,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.46 : 195,149.97 = 77,754.66 : x
  2. Step 2: Convert to fraction form
    141,413.46/195,149.97 = 77,754.66/x
  3. Step 3: Cross multiply
    141,413.46x = 195,149.97 × 77,754.66
  4. Step 4: Simplify right side
    141,413.46x = 15,173,819,566.36
  5. Step 5: Solve for x
    x = 15,173,819,566.36/141,413.46
  6. Step 6: Final answer
    x = 107,301.10

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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.