Finding the Fourth Proportional to 162,113.41, 223,715.64 and 94,147.09
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Solution
The fourth proportional to 162,113.41, 223,715.64 and 94,147.09 is: 129,922.48
Step by Step Solution
- Step 1: Write the proportion equation
162,113.41 : 223,715.64 = 94,147.09 : x - Step 2: Convert to fraction form
162,113.41/223,715.64 = 94,147.09/x - Step 3: Cross multiply
162,113.41x = 223,715.64 × 94,147.09 - Step 4: Simplify right side
162,113.41x = 21,062,176,493.49 - Step 5: Solve for x
x = 21,062,176,493.49/162,113.41 - Step 6: Final answer
x = 129,922.48
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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.