Finding the Fourth Proportional to 114,287.09, 157,663.67 and 74,014.09
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Solution
The fourth proportional to 114,287.09, 157,663.67 and 74,014.09 is: 102,105.43
Step by Step Solution
- Step 1: Write the proportion equation
114,287.09 : 157,663.67 = 74,014.09 : x - Step 2: Convert to fraction form
114,287.09/157,663.67 = 74,014.09/x - Step 3: Cross multiply
114,287.09x = 157,663.67 × 74,014.09 - Step 4: Simplify right side
114,287.09x = 11,669,332,296.88 - Step 5: Solve for x
x = 11,669,332,296.88/114,287.09 - Step 6: Final answer
x = 102,105.43
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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.