Finding the Fourth Proportional to 145,260.92, 199,996.62 and 123,954.68
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Solution
The fourth proportional to 145,260.92, 199,996.62 and 123,954.68 is: 170,661.99
Step by Step Solution
- Step 1: Write the proportion equation
145,260.92 : 199,996.62 = 123,954.68 : x - Step 2: Convert to fraction form
145,260.92/199,996.62 = 123,954.68/x - Step 3: Cross multiply
145,260.92x = 199,996.62 × 123,954.68 - Step 4: Simplify right side
145,260.92x = 24,790,517,033.18 - Step 5: Solve for x
x = 24,790,517,033.18/145,260.92 - Step 6: Final answer
x = 170,661.99
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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.