Finding the Fourth Proportional to 132,591.21, 182,970.36 and 72,161.97
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Solution
The fourth proportional to 132,591.21, 182,970.36 and 72,161.97 is: 99,580.52
Step by Step Solution
- Step 1: Write the proportion equation
132,591.21 : 182,970.36 = 72,161.97 : x - Step 2: Convert to fraction form
132,591.21/182,970.36 = 72,161.97/x - Step 3: Cross multiply
132,591.21x = 182,970.36 × 72,161.97 - Step 4: Simplify right side
132,591.21x = 13,203,501,629.21 - Step 5: Solve for x
x = 13,203,501,629.21/132,591.21 - Step 6: Final answer
x = 99,580.52
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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.