Home / 198,947.90-274,794.73-144,413.08

Finding the Fourth Proportional to 198,947.90, 274,794.73 and 144,413.08

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Solution

The fourth proportional to 198,947.90, 274,794.73 and 144,413.08 is: 199,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,947.90 : 274,794.73 = 144,413.08 : x
  2. Step 2: Convert to fraction form
    198,947.90/274,794.73 = 144,413.08/x
  3. Step 3: Cross multiply
    198,947.90x = 274,794.73 × 144,413.08
  4. Step 4: Simplify right side
    198,947.90x = 39,683,952,279.05
  5. Step 5: Solve for x
    x = 39,683,952,279.05/198,947.90
  6. Step 6: Final answer
    x = 199,469.07

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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.