Finding the Fourth Proportional to 107,611.10, 161,268.99 and 68,097.48
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Solution
The fourth proportional to 107,611.10, 161,268.99 and 68,097.48 is: 102,052.77
Step by Step Solution
- Step 1: Write the proportion equation
107,611.10 : 161,268.99 = 68,097.48 : x - Step 2: Convert to fraction form
107,611.10/161,268.99 = 68,097.48/x - Step 3: Cross multiply
107,611.10x = 161,268.99 × 68,097.48 - Step 4: Simplify right side
107,611.10x = 10,982,010,961.02 - Step 5: Solve for x
x = 10,982,010,961.02/107,611.10 - Step 6: Final answer
x = 102,052.77
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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.