Finding the Fourth Proportional to 107,413.80, 160,926.30 and 91,861.80
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Solution
The fourth proportional to 107,413.80, 160,926.30 and 91,861.80 is: 137,626.45
Step by Step Solution
- Step 1: Write the proportion equation
107,413.80 : 160,926.30 = 91,861.80 : x - Step 2: Convert to fraction form
107,413.80/160,926.30 = 91,861.80/x - Step 3: Cross multiply
107,413.80x = 160,926.30 × 91,861.80 - Step 4: Simplify right side
107,413.80x = 14,782,979,585.34 - Step 5: Solve for x
x = 14,782,979,585.34/107,413.80 - Step 6: Final answer
x = 137,626.45
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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.