Finding the Fourth Proportional to 132,697.53, 183,122.79 and 72,268.44
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Solution
The fourth proportional to 132,697.53, 183,122.79 and 72,268.44 is: 99,730.56
Step by Step Solution
- Step 1: Write the proportion equation
132,697.53 : 183,122.79 = 72,268.44 : x - Step 2: Convert to fraction form
132,697.53/183,122.79 = 72,268.44/x - Step 3: Cross multiply
132,697.53x = 183,122.79 × 72,268.44 - Step 4: Simplify right side
132,697.53x = 13,233,998,361.75 - Step 5: Solve for x
x = 13,233,998,361.75/132,697.53 - Step 6: Final answer
x = 99,730.56
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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.