Finding the Fourth Proportional to 137,122.92, 189,232.62 and 96,907.64
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Solution
The fourth proportional to 137,122.92, 189,232.62 and 96,907.64 is: 133,734.66
Step by Step Solution
- Step 1: Write the proportion equation
137,122.92 : 189,232.62 = 96,907.64 : x - Step 2: Convert to fraction form
137,122.92/189,232.62 = 96,907.64/x - Step 3: Cross multiply
137,122.92x = 189,232.62 × 96,907.64 - Step 4: Simplify right side
137,122.92x = 18,338,086,615.22 - Step 5: Solve for x
x = 18,338,086,615.22/137,122.92 - Step 6: Final answer
x = 133,734.66
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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.