Finding the Fourth Proportional to 127,659.68, 176,163.36 and 70,287.80
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Solution
The fourth proportional to 127,659.68, 176,163.36 and 70,287.80 is: 96,993.31
Step by Step Solution
- Step 1: Write the proportion equation
127,659.68 : 176,163.36 = 70,287.80 : x - Step 2: Convert to fraction form
127,659.68/176,163.36 = 70,287.80/x - Step 3: Cross multiply
127,659.68x = 176,163.36 × 70,287.80 - Step 4: Simplify right side
127,659.68x = 12,382,135,015.01 - Step 5: Solve for x
x = 12,382,135,015.01/127,659.68 - Step 6: Final answer
x = 96,993.31
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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.