Finding the Fourth Proportional to 146,220.59, 201,769.79 and 82,546.09
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Solution
The fourth proportional to 146,220.59, 201,769.79 and 82,546.09 is: 113,905.34
Step by Step Solution
- Step 1: Write the proportion equation
146,220.59 : 201,769.79 = 82,546.09 : x - Step 2: Convert to fraction form
146,220.59/201,769.79 = 82,546.09/x - Step 3: Cross multiply
146,220.59x = 201,769.79 × 82,546.09 - Step 4: Simplify right side
146,220.59x = 16,655,306,327.47 - Step 5: Solve for x
x = 16,655,306,327.47/146,220.59 - Step 6: Final answer
x = 113,905.34
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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.