Finding the Fourth Proportional to 107,048.88, 160,863.84 and 57,163.68
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Solution
The fourth proportional to 107,048.88, 160,863.84 and 57,163.68 is: 85,900.66
Step by Step Solution
- Step 1: Write the proportion equation
107,048.88 : 160,863.84 = 57,163.68 : x - Step 2: Convert to fraction form
107,048.88/160,863.84 = 57,163.68/x - Step 3: Cross multiply
107,048.88x = 160,863.84 × 57,163.68 - Step 4: Simplify right side
107,048.88x = 9,195,569,073.33 - Step 5: Solve for x
x = 9,195,569,073.33/107,048.88 - Step 6: Final answer
x = 85,900.66
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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.