Finding the Fourth Proportional to 140,116.67, 193,365.26 and 79,696.01
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Solution
The fourth proportional to 140,116.67, 193,365.26 and 79,696.01 is: 109,982.90
Step by Step Solution
- Step 1: Write the proportion equation
140,116.67 : 193,365.26 = 79,696.01 : x - Step 2: Convert to fraction form
140,116.67/193,365.26 = 79,696.01/x - Step 3: Cross multiply
140,116.67x = 193,365.26 × 79,696.01 - Step 4: Simplify right side
140,116.67x = 15,410,438,329.31 - Step 5: Solve for x
x = 15,410,438,329.31/140,116.67 - Step 6: Final answer
x = 109,982.90
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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.