Finding the Fourth Proportional to 181,240.99, 250,120.89 and 100,668.79
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Solution
The fourth proportional to 181,240.99, 250,120.89 and 100,668.79 is: 138,927.55
Step by Step Solution
- Step 1: Write the proportion equation
181,240.99 : 250,120.89 = 100,668.79 : x - Step 2: Convert to fraction form
181,240.99/250,120.89 = 100,668.79/x - Step 3: Cross multiply
181,240.99x = 250,120.89 × 100,668.79 - Step 4: Simplify right side
181,240.99x = 25,179,367,350.02 - Step 5: Solve for x
x = 25,179,367,350.02/181,240.99 - Step 6: Final answer
x = 138,927.55
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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.