Finding the Fourth Proportional to 125,413.08, 188,114.67 and 31,921.26
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Solution
The fourth proportional to 125,413.08, 188,114.67 and 31,921.26 is: 47,880.63
Step by Step Solution
- Step 1: Write the proportion equation
125,413.08 : 188,114.67 = 31,921.26 : x - Step 2: Convert to fraction form
125,413.08/188,114.67 = 31,921.26/x - Step 3: Cross multiply
125,413.08x = 188,114.67 × 31,921.26 - Step 4: Simplify right side
125,413.08x = 6,004,857,290.88 - Step 5: Solve for x
x = 6,004,857,290.88/125,413.08 - Step 6: Final answer
x = 47,880.63
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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.