Finding the Fourth Proportional to 106,161.49, 146,486.12 and 60,830.75
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Solution
The fourth proportional to 106,161.49, 146,486.12 and 60,830.75 is: 83,936.85
Step by Step Solution
- Step 1: Write the proportion equation
106,161.49 : 146,486.12 = 60,830.75 : x - Step 2: Convert to fraction form
106,161.49/146,486.12 = 60,830.75/x - Step 3: Cross multiply
106,161.49x = 146,486.12 × 60,830.75 - Step 4: Simplify right side
106,161.49x = 8,910,861,062.48 - Step 5: Solve for x
x = 8,910,861,062.48/106,161.49 - Step 6: Final answer
x = 83,936.85
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1.5x scale
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.