Finding the Fourth Proportional to 122,913.24, 184,413.93 and 48,087.12
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Solution
The fourth proportional to 122,913.24, 184,413.93 and 48,087.12 is: 72,147.92
Step by Step Solution
- Step 1: Write the proportion equation
122,913.24 : 184,413.93 = 48,087.12 : x - Step 2: Convert to fraction form
122,913.24/184,413.93 = 48,087.12/x - Step 3: Cross multiply
122,913.24x = 184,413.93 × 48,087.12 - Step 4: Simplify right side
122,913.24x = 8,867,934,781.58 - Step 5: Solve for x
x = 8,867,934,781.58/122,913.24 - Step 6: Final answer
x = 72,147.92
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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.