Home / 198,942.21-298,413.14-58,689.81

Finding the Fourth Proportional to 198,942.21, 298,413.14 and 58,689.81

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Solution

The fourth proportional to 198,942.21, 298,413.14 and 58,689.81 is: 88,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942.21 : 298,413.14 = 58,689.81 : x
  2. Step 2: Convert to fraction form
    198,942.21/298,413.14 = 58,689.81/x
  3. Step 3: Cross multiply
    198,942.21x = 298,413.14 × 58,689.81
  4. Step 4: Simplify right side
    198,942.21x = 17,513,810,194.65
  5. Step 5: Solve for x
    x = 17,513,810,194.65/198,942.21
  6. Step 6: Final answer
    x = 88,034.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.