Finding the Fourth Proportional to 146,366.20, 201,974.88 and 85,939.48
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Solution
The fourth proportional to 146,366.20, 201,974.88 and 85,939.48 is: 118,590.33
Step by Step Solution
- Step 1: Write the proportion equation
146,366.20 : 201,974.88 = 85,939.48 : x - Step 2: Convert to fraction form
146,366.20/201,974.88 = 85,939.48/x - Step 3: Cross multiply
146,366.20x = 201,974.88 × 85,939.48 - Step 4: Simplify right side
146,366.20x = 17,357,616,160.26 - Step 5: Solve for x
x = 17,357,616,160.26/146,366.20 - Step 6: Final answer
x = 118,590.33
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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.