Finding the Fourth Proportional to 132,321.84, 182,604.40 and 71,891.92
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Solution
The fourth proportional to 132,321.84, 182,604.40 and 71,891.92 is: 99,210.99
Step by Step Solution
- Step 1: Write the proportion equation
132,321.84 : 182,604.40 = 71,891.92 : x - Step 2: Convert to fraction form
132,321.84/182,604.40 = 71,891.92/x - Step 3: Cross multiply
132,321.84x = 182,604.40 × 71,891.92 - Step 4: Simplify right side
132,321.84x = 13,127,780,916.45 - Step 5: Solve for x
x = 13,127,780,916.45/132,321.84 - Step 6: Final answer
x = 99,210.99
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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.