Finding the Fourth Proportional to 190,739.96, 263,208.88 and 119,115.68
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Solution
The fourth proportional to 190,739.96, 263,208.88 and 119,115.68 is: 164,371.98
Step by Step Solution
- Step 1: Write the proportion equation
190,739.96 : 263,208.88 = 119,115.68 : x - Step 2: Convert to fraction form
190,739.96/263,208.88 = 119,115.68/x - Step 3: Cross multiply
190,739.96x = 263,208.88 × 119,115.68 - Step 4: Simplify right side
190,739.96x = 31,352,304,723.24 - Step 5: Solve for x
x = 31,352,304,723.24/190,739.96 - Step 6: Final answer
x = 164,371.98
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1.5x scale
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.