Finding the Fourth Proportional to 113,239.14, 169,879.14 and 46,642.92
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Solution
The fourth proportional to 113,239.14, 169,879.14 and 46,642.92 is: 69,972.80
Step by Step Solution
- Step 1: Write the proportion equation
113,239.14 : 169,879.14 = 46,642.92 : x - Step 2: Convert to fraction form
113,239.14/169,879.14 = 46,642.92/x - Step 3: Cross multiply
113,239.14x = 169,879.14 × 46,642.92 - Step 4: Simplify right side
113,239.14x = 7,923,659,136.69 - Step 5: Solve for x
x = 7,923,659,136.69/113,239.14 - Step 6: Final answer
x = 69,972.80
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1.5x scale
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.