Finding the Fourth Proportional to 106,452.44, 146,906.49 and 68,792.30
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Solution
The fourth proportional to 106,452.44, 146,906.49 and 68,792.30 is: 94,934.75
Step by Step Solution
- Step 1: Write the proportion equation
106,452.44 : 146,906.49 = 68,792.30 : x - Step 2: Convert to fraction form
106,452.44/146,906.49 = 68,792.30/x - Step 3: Cross multiply
106,452.44x = 146,906.49 × 68,792.30 - Step 4: Simplify right side
106,452.44x = 10,106,035,332.03 - Step 5: Solve for x
x = 10,106,035,332.03/106,452.44 - Step 6: Final answer
x = 94,934.75
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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.