Finding the Fourth Proportional to 135,270.82, 186,733.51 and 80,842.19
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Solution
The fourth proportional to 135,270.82, 186,733.51 and 80,842.19 is: 111,597.95
Step by Step Solution
- Step 1: Write the proportion equation
135,270.82 : 186,733.51 = 80,842.19 : x - Step 2: Convert to fraction form
135,270.82/186,733.51 = 80,842.19/x - Step 3: Cross multiply
135,270.82x = 186,733.51 × 80,842.19 - Step 4: Simplify right side
135,270.82x = 15,095,945,894.79 - Step 5: Solve for x
x = 15,095,945,894.79/135,270.82 - Step 6: Final answer
x = 111,597.95
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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.