Finding the Fourth Proportional to 147,791.79, 203,968.94 and 84,119.31
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Solution
The fourth proportional to 147,791.79, 203,968.94 and 84,119.31 is: 116,093.91
Step by Step Solution
- Step 1: Write the proportion equation
147,791.79 : 203,968.94 = 84,119.31 : x - Step 2: Convert to fraction form
147,791.79/203,968.94 = 84,119.31/x - Step 3: Cross multiply
147,791.79x = 203,968.94 × 84,119.31 - Step 4: Simplify right side
147,791.79x = 17,157,726,073.63 - Step 5: Solve for x
x = 17,157,726,073.63/147,791.79 - Step 6: Final answer
x = 116,093.91
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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.