Finding the Fourth Proportional to 122,993.49, 184,375.04 and 66,751.05
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Solution
The fourth proportional to 122,993.49, 184,375.04 and 66,751.05 is: 100,064.05
Step by Step Solution
- Step 1: Write the proportion equation
122,993.49 : 184,375.04 = 66,751.05 : x - Step 2: Convert to fraction form
122,993.49/184,375.04 = 66,751.05/x - Step 3: Cross multiply
122,993.49x = 184,375.04 × 66,751.05 - Step 4: Simplify right side
122,993.49x = 12,307,227,180.04 - Step 5: Solve for x
x = 12,307,227,180.04/122,993.49 - Step 6: Final answer
x = 100,064.05
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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.