Finding the Fourth Proportional to 124,413.05, 186,294.26 and 68,136.07
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Solution
The fourth proportional to 124,413.05, 186,294.26 and 68,136.07 is: 102,025.94
Step by Step Solution
- Step 1: Write the proportion equation
124,413.05 : 186,294.26 = 68,136.07 : x - Step 2: Convert to fraction form
124,413.05/186,294.26 = 68,136.07/x - Step 3: Cross multiply
124,413.05x = 186,294.26 × 68,136.07 - Step 4: Simplify right side
124,413.05x = 12,693,358,739.96 - Step 5: Solve for x
x = 12,693,358,739.96/124,413.05 - Step 6: Final answer
x = 102,025.94
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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.