Finding the Fourth Proportional to 133,236.41, 199,937.99 and 83,413.82
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Solution
The fourth proportional to 133,236.41, 199,937.99 and 83,413.82 is: 125,172.92
Step by Step Solution
- Step 1: Write the proportion equation
133,236.41 : 199,937.99 = 83,413.82 : x - Step 2: Convert to fraction form
133,236.41/199,937.99 = 83,413.82/x - Step 3: Cross multiply
133,236.41x = 199,937.99 × 83,413.82 - Step 4: Simplify right side
133,236.41x = 16,677,590,092.26 - Step 5: Solve for x
x = 16,677,590,092.26/133,236.41 - Step 6: Final answer
x = 125,172.92
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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.