Finding the Fourth Proportional to 123,212.24, 170,029.07 and 69,496.48
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Solution
The fourth proportional to 123,212.24, 170,029.07 and 69,496.48 is: 95,902.99
Step by Step Solution
- Step 1: Write the proportion equation
123,212.24 : 170,029.07 = 69,496.48 : x - Step 2: Convert to fraction form
123,212.24/170,029.07 = 69,496.48/x - Step 3: Cross multiply
123,212.24x = 170,029.07 × 69,496.48 - Step 4: Simplify right side
123,212.24x = 11,816,422,379.26 - Step 5: Solve for x
x = 11,816,422,379.26/123,212.24 - Step 6: Final answer
x = 95,902.99
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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.