Finding the Fourth Proportional to 135,571.55, 203,157.41 and 75,517.26
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Solution
The fourth proportional to 135,571.55, 203,157.41 and 75,517.26 is: 113,164.53
Step by Step Solution
- Step 1: Write the proportion equation
135,571.55 : 203,157.41 = 75,517.26 : x - Step 2: Convert to fraction form
135,571.55/203,157.41 = 75,517.26/x - Step 3: Cross multiply
135,571.55x = 203,157.41 × 75,517.26 - Step 4: Simplify right side
135,571.55x = 15,341,890,574.31 - Step 5: Solve for x
x = 15,341,890,574.31/135,571.55 - Step 6: Final answer
x = 113,164.53
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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.