Finding the Fourth Proportional to 146,203.31, 201,761.18 and 79,135.31
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Solution
The fourth proportional to 146,203.31, 201,761.18 and 79,135.31 is: 109,207.06
Step by Step Solution
- Step 1: Write the proportion equation
146,203.31 : 201,761.18 = 79,135.31 : x - Step 2: Convert to fraction form
146,203.31/201,761.18 = 79,135.31/x - Step 3: Cross multiply
146,203.31x = 201,761.18 × 79,135.31 - Step 4: Simplify right side
146,203.31x = 15,966,433,930.75 - Step 5: Solve for x
x = 15,966,433,930.75/146,203.31 - Step 6: Final answer
x = 109,207.06
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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.