Finding the Fourth Proportional to 146,365.44, 201,991.68 and 81,841.92
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Solution
The fourth proportional to 146,365.44, 201,991.68 and 81,841.92 is: 112,945.97
Step by Step Solution
- Step 1: Write the proportion equation
146,365.44 : 201,991.68 = 81,841.92 : x - Step 2: Convert to fraction form
146,365.44/201,991.68 = 81,841.92/x - Step 3: Cross multiply
146,365.44x = 201,991.68 × 81,841.92 - Step 4: Simplify right side
146,365.44x = 16,531,386,915.23 - Step 5: Solve for x
x = 16,531,386,915.23/146,365.44 - Step 6: Final answer
x = 112,945.97
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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.