Finding the Fourth Proportional to 121,413.69, 182,136.02 and 65,176.65
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Solution
The fourth proportional to 121,413.69, 182,136.02 and 65,176.65 is: 97,773.28
Step by Step Solution
- Step 1: Write the proportion equation
121,413.69 : 182,136.02 = 65,176.65 : x - Step 2: Convert to fraction form
121,413.69/182,136.02 = 65,176.65/x - Step 3: Cross multiply
121,413.69x = 182,136.02 × 65,176.65 - Step 4: Simplify right side
121,413.69x = 11,871,015,302.05 - Step 5: Solve for x
x = 11,871,015,302.05/121,413.69 - Step 6: Final answer
x = 97,773.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.