Finding the Fourth Proportional to 146,198.12, 201,754.01 and 79,130.12
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Solution
The fourth proportional to 146,198.12, 201,754.01 and 79,130.12 is: 109,199.89
Step by Step Solution
- Step 1: Write the proportion equation
146,198.12 : 201,754.01 = 79,130.12 : x - Step 2: Convert to fraction form
146,198.12/201,754.01 = 79,130.12/x - Step 3: Cross multiply
146,198.12x = 201,754.01 × 79,130.12 - Step 4: Simplify right side
146,198.12x = 15,964,818,013.01 - Step 5: Solve for x
x = 15,964,818,013.01/146,198.12 - Step 6: Final answer
x = 109,199.89
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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.