Finding the Fourth Proportional to 146,033.36, 201,487.74 and 85,571.54
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Solution
The fourth proportional to 146,033.36, 201,487.74 and 85,571.54 is: 118,066.28
Step by Step Solution
- Step 1: Write the proportion equation
146,033.36 : 201,487.74 = 85,571.54 : x - Step 2: Convert to fraction form
146,033.36/201,487.74 = 85,571.54/x - Step 3: Cross multiply
146,033.36x = 201,487.74 × 85,571.54 - Step 4: Simplify right side
146,033.36x = 17,241,616,202.92 - Step 5: Solve for x
x = 17,241,616,202.92/146,033.36 - Step 6: Final answer
x = 118,066.28
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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.