Finding the Fourth Proportional to 99,236.27, 148,854.11 and 40,071.26
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Solution
The fourth proportional to 99,236.27, 148,854.11 and 40,071.26 is: 60,106.76
Step by Step Solution
- Step 1: Write the proportion equation
99,236.27 : 148,854.11 = 40,071.26 : x - Step 2: Convert to fraction form
99,236.27/148,854.11 = 40,071.26/x - Step 3: Cross multiply
99,236.27x = 148,854.11 × 40,071.26 - Step 4: Simplify right side
99,236.27x = 5,964,770,799.25 - Step 5: Solve for x
x = 5,964,770,799.25/99,236.27 - Step 6: Final answer
x = 60,106.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.