Finding the Fourth Proportional to 163,096.05, 225,083.76 and 91,480.68
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Solution
The fourth proportional to 163,096.05, 225,083.76 and 91,480.68 is: 126,249.63
Step by Step Solution
- Step 1: Write the proportion equation
163,096.05 : 225,083.76 = 91,480.68 : x - Step 2: Convert to fraction form
163,096.05/225,083.76 = 91,480.68/x - Step 3: Cross multiply
163,096.05x = 225,083.76 × 91,480.68 - Step 4: Simplify right side
163,096.05x = 20,590,815,421.76 - Step 5: Solve for x
x = 20,590,815,421.76/163,096.05 - Step 6: Final answer
x = 126,249.63
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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.