Finding the Fourth Proportional to 124,512.99, 186,768.87 and 57,916.41
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Solution
The fourth proportional to 124,512.99, 186,768.87 and 57,916.41 is: 86,874.33
Step by Step Solution
- Step 1: Write the proportion equation
124,512.99 : 186,768.87 = 57,916.41 : x - Step 2: Convert to fraction form
124,512.99/186,768.87 = 57,916.41/x - Step 3: Cross multiply
124,512.99x = 186,768.87 × 57,916.41 - Step 4: Simplify right side
124,512.99x = 10,816,982,450.16 - Step 5: Solve for x
x = 10,816,982,450.16/124,512.99 - Step 6: Final answer
x = 86,874.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.