Finding the Fourth Proportional to 123,223.41, 170,048.26 and 66,634.79
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Solution
The fourth proportional to 123,223.41, 170,048.26 and 66,634.79 is: 91,955.99
Step by Step Solution
- Step 1: Write the proportion equation
123,223.41 : 170,048.26 = 66,634.79 : x - Step 2: Convert to fraction form
123,223.41/170,048.26 = 66,634.79/x - Step 3: Cross multiply
123,223.41x = 170,048.26 × 66,634.79 - Step 4: Simplify right side
123,223.41x = 11,331,130,094.97 - Step 5: Solve for x
x = 11,331,130,094.97/123,223.41 - Step 6: Final answer
x = 91,955.99
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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.