Finding the Fourth Proportional to 163,568.84, 225,725.94 and 91,948.23
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Solution
The fourth proportional to 163,568.84, 225,725.94 and 91,948.23 is: 126,889.09
Step by Step Solution
- Step 1: Write the proportion equation
163,568.84 : 225,725.94 = 91,948.23 : x - Step 2: Convert to fraction form
163,568.84/225,725.94 = 91,948.23/x - Step 3: Cross multiply
163,568.84x = 225,725.94 × 91,948.23 - Step 4: Simplify right side
163,568.84x = 20,755,100,648.09 - Step 5: Solve for x
x = 20,755,100,648.09/163,568.84 - Step 6: Final answer
x = 126,889.09
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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.