Finding the Fourth Proportional to 146,190.36, 201,736.98 and 91,771.82
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Solution
The fourth proportional to 146,190.36, 201,736.98 and 91,771.82 is: 126,641.52
Step by Step Solution
- Step 1: Write the proportion equation
146,190.36 : 201,736.98 = 91,771.82 : x - Step 2: Convert to fraction form
146,190.36/201,736.98 = 91,771.82/x - Step 3: Cross multiply
146,190.36x = 201,736.98 × 91,771.82 - Step 4: Simplify right side
146,190.36x = 18,513,769,815.90 - Step 5: Solve for x
x = 18,513,769,815.90/146,190.36 - Step 6: Final answer
x = 126,641.52
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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.