Finding the Fourth Proportional to 163,132.44, 225,133.11 and 91,517.10
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Solution
The fourth proportional to 163,132.44, 225,133.11 and 91,517.10 is: 126,299.40
Step by Step Solution
- Step 1: Write the proportion equation
163,132.44 : 225,133.11 = 91,517.10 : x - Step 2: Convert to fraction form
163,132.44/225,133.11 = 91,517.10/x - Step 3: Cross multiply
163,132.44x = 225,133.11 × 91,517.10 - Step 4: Simplify right side
163,132.44x = 20,603,529,341.18 - Step 5: Solve for x
x = 20,603,529,341.18/163,132.44 - Step 6: Final answer
x = 126,299.40
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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.