Finding the Fourth Proportional to 163,172.40, 225,177.72 and 95,236.08
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Solution
The fourth proportional to 163,172.40, 225,177.72 and 95,236.08 is: 131,425.68
Step by Step Solution
- Step 1: Write the proportion equation
163,172.40 : 225,177.72 = 95,236.08 : x - Step 2: Convert to fraction form
163,172.40/225,177.72 = 95,236.08/x - Step 3: Cross multiply
163,172.40x = 225,177.72 × 95,236.08 - Step 4: Simplify right side
163,172.40x = 21,445,043,356.14 - Step 5: Solve for x
x = 21,445,043,356.14/163,172.40 - Step 6: Final answer
x = 131,425.68
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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.