Finding the Fourth Proportional to 146,134.75, 201,665.97 and 79,066.75
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Solution
The fourth proportional to 146,134.75, 201,665.97 and 79,066.75 is: 109,112.12
Step by Step Solution
- Step 1: Write the proportion equation
146,134.75 : 201,665.97 = 79,066.75 : x - Step 2: Convert to fraction form
146,134.75/201,665.97 = 79,066.75/x - Step 3: Cross multiply
146,134.75x = 201,665.97 × 79,066.75 - Step 4: Simplify right side
146,134.75x = 15,945,072,833.50 - Step 5: Solve for x
x = 15,945,072,833.50/146,134.75 - Step 6: Final answer
x = 109,112.12
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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.