Finding the Fourth Proportional to 190,756.99, 263,250.44 and 105,879.79
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Solution
The fourth proportional to 190,756.99, 263,250.44 and 105,879.79 is: 146,117.33
Step by Step Solution
- Step 1: Write the proportion equation
190,756.99 : 263,250.44 = 105,879.79 : x - Step 2: Convert to fraction form
190,756.99/263,250.44 = 105,879.79/x - Step 3: Cross multiply
190,756.99x = 263,250.44 × 105,879.79 - Step 4: Simplify right side
190,756.99x = 27,872,901,304.61 - Step 5: Solve for x
x = 27,872,901,304.61/190,756.99 - Step 6: Final answer
x = 146,117.33
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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.