Finding the Fourth Proportional to 146,198.53, 201,754.59 and 79,130.53
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Solution
The fourth proportional to 146,198.53, 201,754.59 and 79,130.53 is: 109,200.46
Step by Step Solution
- Step 1: Write the proportion equation
146,198.53 : 201,754.59 = 79,130.53 : x - Step 2: Convert to fraction form
146,198.53/201,754.59 = 79,130.53/x - Step 3: Cross multiply
146,198.53x = 201,754.59 × 79,130.53 - Step 4: Simplify right side
146,198.53x = 15,964,947,592.09 - Step 5: Solve for x
x = 15,964,947,592.09/146,198.53 - Step 6: Final answer
x = 109,200.46
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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.