Finding the Fourth Proportional to 123,609.36, 184,954.74 and 73,716.60
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Solution
The fourth proportional to 123,609.36, 184,954.74 and 73,716.60 is: 110,300.99
Step by Step Solution
- Step 1: Write the proportion equation
123,609.36 : 184,954.74 = 73,716.60 : x - Step 2: Convert to fraction form
123,609.36/184,954.74 = 73,716.60/x - Step 3: Cross multiply
123,609.36x = 184,954.74 × 73,716.60 - Step 4: Simplify right side
123,609.36x = 13,634,234,586.68 - Step 5: Solve for x
x = 13,634,234,586.68/123,609.36 - Step 6: Final answer
x = 110,300.99
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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.