Finding the Fourth Proportional to 195,751.82, 270,124.70 and 115,163.76
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Solution
The fourth proportional to 195,751.82, 270,124.70 and 115,163.76 is: 158,918.45
Step by Step Solution
- Step 1: Write the proportion equation
195,751.82 : 270,124.70 = 115,163.76 : x - Step 2: Convert to fraction form
195,751.82/270,124.70 = 115,163.76/x - Step 3: Cross multiply
195,751.82x = 270,124.70 × 115,163.76 - Step 4: Simplify right side
195,751.82x = 31,108,576,120.87 - Step 5: Solve for x
x = 31,108,576,120.87/195,751.82 - Step 6: Final answer
x = 158,918.45
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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.