Finding the Fourth Proportional to 116,040.96, 160,107.84 and 68,290.56
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Solution
The fourth proportional to 116,040.96, 160,107.84 and 68,290.56 is: 94,224.09
Step by Step Solution
- Step 1: Write the proportion equation
116,040.96 : 160,107.84 = 68,290.56 : x - Step 2: Convert to fraction form
116,040.96/160,107.84 = 68,290.56/x - Step 3: Cross multiply
116,040.96x = 160,107.84 × 68,290.56 - Step 4: Simplify right side
116,040.96x = 10,933,854,053.99 - Step 5: Solve for x
x = 10,933,854,053.99/116,040.96 - Step 6: Final answer
x = 94,224.09
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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.