Finding the Fourth Proportional to 121,236.36, 167,248.22 and 94,193.81
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Solution
The fourth proportional to 121,236.36, 167,248.22 and 94,193.81 is: 129,942.43
Step by Step Solution
- Step 1: Write the proportion equation
121,236.36 : 167,248.22 = 94,193.81 : x - Step 2: Convert to fraction form
121,236.36/167,248.22 = 94,193.81/x - Step 3: Cross multiply
121,236.36x = 167,248.22 × 94,193.81 - Step 4: Simplify right side
121,236.36x = 15,753,747,057.52 - Step 5: Solve for x
x = 15,753,747,057.52/121,236.36 - Step 6: Final answer
x = 129,942.43
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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.