Finding the Fourth Proportional to 146,182.70, 201,732.21 and 79,114.70
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Solution
The fourth proportional to 146,182.70, 201,732.21 and 79,114.70 is: 109,178.33
Step by Step Solution
- Step 1: Write the proportion equation
146,182.70 : 201,732.21 = 79,114.70 : x - Step 2: Convert to fraction form
146,182.70/201,732.21 = 79,114.70/x - Step 3: Cross multiply
146,182.70x = 201,732.21 × 79,114.70 - Step 4: Simplify right side
146,182.70x = 15,959,983,274.49 - Step 5: Solve for x
x = 15,959,983,274.49/146,182.70 - Step 6: Final answer
x = 109,178.33
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1.5x scale
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.