Finding the Fourth Proportional to 146,839.68, 202,728.96 and 93,202.56
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Solution
The fourth proportional to 146,839.68, 202,728.96 and 93,202.56 is: 128,676.79
Step by Step Solution
- Step 1: Write the proportion equation
146,839.68 : 202,728.96 = 93,202.56 : x - Step 2: Convert to fraction form
146,839.68/202,728.96 = 93,202.56/x - Step 3: Cross multiply
146,839.68x = 202,728.96 × 93,202.56 - Step 4: Simplify right side
146,839.68x = 18,894,858,058.14 - Step 5: Solve for x
x = 18,894,858,058.14/146,839.68 - Step 6: Final answer
x = 128,676.79
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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.