Finding the Fourth Proportional to 126,706.73, 174,838.01 and 75,708.68
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Solution
The fourth proportional to 126,706.73, 174,838.01 and 75,708.68 is: 104,467.65
Step by Step Solution
- Step 1: Write the proportion equation
126,706.73 : 174,838.01 = 75,708.68 : x - Step 2: Convert to fraction form
126,706.73/174,838.01 = 75,708.68/x - Step 3: Cross multiply
126,706.73x = 174,838.01 × 75,708.68 - Step 4: Simplify right side
126,706.73x = 13,236,754,266.01 - Step 5: Solve for x
x = 13,236,754,266.01/126,706.73 - Step 6: Final answer
x = 104,467.65
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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.