Finding the Fourth Proportional to 116,734.68, 161,094.60 and 66,433.68
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Solution
The fourth proportional to 116,734.68, 161,094.60 and 66,433.68 is: 91,678.90
Step by Step Solution
- Step 1: Write the proportion equation
116,734.68 : 161,094.60 = 66,433.68 : x - Step 2: Convert to fraction form
116,734.68/161,094.60 = 66,433.68/x - Step 3: Cross multiply
116,734.68x = 161,094.60 × 66,433.68 - Step 4: Simplify right side
116,734.68x = 10,702,107,106.13 - Step 5: Solve for x
x = 10,702,107,106.13/116,734.68 - Step 6: Final answer
x = 91,678.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.