Finding the Fourth Proportional to 163,252.62, 225,276.27 and 91,618.81
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Solution
The fourth proportional to 163,252.62, 225,276.27 and 91,618.81 is: 126,427.02
Step by Step Solution
- Step 1: Write the proportion equation
163,252.62 : 225,276.27 = 91,618.81 : x - Step 2: Convert to fraction form
163,252.62/225,276.27 = 91,618.81/x - Step 3: Cross multiply
163,252.62x = 225,276.27 × 91,618.81 - Step 4: Simplify right side
163,252.62x = 20,639,542,194.16 - Step 5: Solve for x
x = 20,639,542,194.16/163,252.62 - Step 6: Final answer
x = 126,427.02
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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.