Finding the Fourth Proportional to 121,224.44, 167,203.69 and 102,948.98
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Solution
The fourth proportional to 121,224.44, 167,203.69 and 102,948.98 is: 141,996.51
Step by Step Solution
- Step 1: Write the proportion equation
121,224.44 : 167,203.69 = 102,948.98 : x - Step 2: Convert to fraction form
121,224.44/167,203.69 = 102,948.98/x - Step 3: Cross multiply
121,224.44x = 167,203.69 × 102,948.98 - Step 4: Simplify right side
121,224.44x = 17,213,448,244.35 - Step 5: Solve for x
x = 17,213,448,244.35/121,224.44 - Step 6: Final answer
x = 141,996.51
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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.