Finding the Fourth Proportional to 146,535.75, 202,219.74 and 79,467.75
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Solution
The fourth proportional to 146,535.75, 202,219.74 and 79,467.75 is: 109,665.71
Step by Step Solution
- Step 1: Write the proportion equation
146,535.75 : 202,219.74 = 79,467.75 : x - Step 2: Convert to fraction form
146,535.75/202,219.74 = 79,467.75/x - Step 3: Cross multiply
146,535.75x = 202,219.74 × 79,467.75 - Step 4: Simplify right side
146,535.75x = 16,069,947,743.39 - Step 5: Solve for x
x = 16,069,947,743.39/146,535.75 - Step 6: Final answer
x = 109,665.71
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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.