Finding the Fourth Proportional to 132,893.93, 199,413.80 and 53,986.97
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Solution
The fourth proportional to 132,893.93, 199,413.80 and 53,986.97 is: 81,010.07
Step by Step Solution
- Step 1: Write the proportion equation
132,893.93 : 199,413.80 = 53,986.97 : x - Step 2: Convert to fraction form
132,893.93/199,413.80 = 53,986.97/x - Step 3: Cross multiply
132,893.93x = 199,413.80 × 53,986.97 - Step 4: Simplify right side
132,893.93x = 10,765,747,269.24 - Step 5: Solve for x
x = 10,765,747,269.24/132,893.93 - Step 6: Final answer
x = 81,010.07
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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.