Finding the Fourth Proportional to 170,190.20, 234,860.49 and 93,707.70
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Solution
The fourth proportional to 170,190.20, 234,860.49 and 93,707.70 is: 129,315.54
Step by Step Solution
- Step 1: Write the proportion equation
170,190.20 : 234,860.49 = 93,707.70 : x - Step 2: Convert to fraction form
170,190.20/234,860.49 = 93,707.70/x - Step 3: Cross multiply
170,190.20x = 234,860.49 × 93,707.70 - Step 4: Simplify right side
170,190.20x = 22,008,236,338.77 - Step 5: Solve for x
x = 22,008,236,338.77/170,190.20 - Step 6: Final answer
x = 129,315.54
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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.