Finding the Fourth Proportional to 146,167.24, 201,706.90 and 81,634.68
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Solution
The fourth proportional to 146,167.24, 201,706.90 and 81,634.68 is: 112,653.69
Step by Step Solution
- Step 1: Write the proportion equation
146,167.24 : 201,706.90 = 81,634.68 : x - Step 2: Convert to fraction form
146,167.24/201,706.90 = 81,634.68/x - Step 3: Cross multiply
146,167.24x = 201,706.90 × 81,634.68 - Step 4: Simplify right side
146,167.24x = 16,466,278,235.29 - Step 5: Solve for x
x = 16,466,278,235.29/146,167.24 - Step 6: Final answer
x = 112,653.69
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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.