Finding the Fourth Proportional to 126,019.44, 173,907.36 and 69,430.82
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Solution
The fourth proportional to 126,019.44, 173,907.36 and 69,430.82 is: 95,814.82
Step by Step Solution
- Step 1: Write the proportion equation
126,019.44 : 173,907.36 = 69,430.82 : x - Step 2: Convert to fraction form
126,019.44/173,907.36 = 69,430.82/x - Step 3: Cross multiply
126,019.44x = 173,907.36 × 69,430.82 - Step 4: Simplify right side
126,019.44x = 12,074,529,739.30 - Step 5: Solve for x
x = 12,074,529,739.30/126,019.44 - Step 6: Final answer
x = 95,814.82
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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.