Finding the Fourth Proportional to 146,546.07, 202,234.94 and 86,118.03
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Solution
The fourth proportional to 146,546.07, 202,234.94 and 86,118.03 is: 118,843.68
Step by Step Solution
- Step 1: Write the proportion equation
146,546.07 : 202,234.94 = 86,118.03 : x - Step 2: Convert to fraction form
146,546.07/202,234.94 = 86,118.03/x - Step 3: Cross multiply
146,546.07x = 202,234.94 × 86,118.03 - Step 4: Simplify right side
146,546.07x = 17,416,074,199.38 - Step 5: Solve for x
x = 17,416,074,199.38/146,546.07 - Step 6: Final answer
x = 118,843.68
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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.