Finding the Fourth Proportional to 139,489.08, 209,235.99 and 60,603.33
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Solution
The fourth proportional to 139,489.08, 209,235.99 and 60,603.33 is: 90,906.02
Step by Step Solution
- Step 1: Write the proportion equation
139,489.08 : 209,235.99 = 60,603.33 : x - Step 2: Convert to fraction form
139,489.08/209,235.99 = 60,603.33/x - Step 3: Cross multiply
139,489.08x = 209,235.99 × 60,603.33 - Step 4: Simplify right side
139,489.08x = 12,680,397,749.85 - Step 5: Solve for x
x = 12,680,397,749.85/139,489.08 - Step 6: Final answer
x = 90,906.02
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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.