Finding the Fourth Proportional to 125,906.05, 188,859.08 and 97,365.70
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Solution
The fourth proportional to 125,906.05, 188,859.08 and 97,365.70 is: 146,048.55
Step by Step Solution
- Step 1: Write the proportion equation
125,906.05 : 188,859.08 = 97,365.70 : x - Step 2: Convert to fraction form
125,906.05/188,859.08 = 97,365.70/x - Step 3: Cross multiply
125,906.05x = 188,859.08 × 97,365.70 - Step 4: Simplify right side
125,906.05x = 18,388,396,525.56 - Step 5: Solve for x
x = 18,388,396,525.56/125,906.05 - Step 6: Final answer
x = 146,048.55
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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.