Finding the Fourth Proportional to 163,361.66, 225,451.08 and 91,745.91
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Solution
The fourth proportional to 163,361.66, 225,451.08 and 91,745.91 is: 126,616.09
Step by Step Solution
- Step 1: Write the proportion equation
163,361.66 : 225,451.08 = 91,745.91 : x - Step 2: Convert to fraction form
163,361.66/225,451.08 = 91,745.91/x - Step 3: Cross multiply
163,361.66x = 225,451.08 × 91,745.91 - Step 4: Simplify right side
163,361.66x = 20,684,214,495.08 - Step 5: Solve for x
x = 20,684,214,495.08/163,361.66 - Step 6: Final answer
x = 126,616.09
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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.