Finding the Fourth Proportional to 104,074.26, 143,684.36 and 68,326.94
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Solution
The fourth proportional to 104,074.26, 143,684.36 and 68,326.94 is: 94,331.80
Step by Step Solution
- Step 1: Write the proportion equation
104,074.26 : 143,684.36 = 68,326.94 : x - Step 2: Convert to fraction form
104,074.26/143,684.36 = 68,326.94/x - Step 3: Cross multiply
104,074.26x = 143,684.36 × 68,326.94 - Step 4: Simplify right side
104,074.26x = 9,817,512,097.05 - Step 5: Solve for x
x = 9,817,512,097.05/104,074.26 - Step 6: Final answer
x = 94,331.80
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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.