Finding the Fourth Proportional to 135,324.80, 186,744.36 and 74,897.92
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Solution
The fourth proportional to 135,324.80, 186,744.36 and 74,897.92 is: 103,356.99
Step by Step Solution
- Step 1: Write the proportion equation
135,324.80 : 186,744.36 = 74,897.92 : x - Step 2: Convert to fraction form
135,324.80/186,744.36 = 74,897.92/x - Step 3: Cross multiply
135,324.80x = 186,744.36 × 74,897.92 - Step 4: Simplify right side
135,324.80x = 13,986,764,135.73 - Step 5: Solve for x
x = 13,986,764,135.73/135,324.80 - Step 6: Final answer
x = 103,356.99
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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.