Finding the Fourth Proportional to 146,174.84, 201,721.28 and 79,106.84
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Solution
The fourth proportional to 146,174.84, 201,721.28 and 79,106.84 is: 109,167.44
Step by Step Solution
- Step 1: Write the proportion equation
146,174.84 : 201,721.28 = 79,106.84 : x - Step 2: Convert to fraction form
146,174.84/201,721.28 = 79,106.84/x - Step 3: Cross multiply
146,174.84x = 201,721.28 × 79,106.84 - Step 4: Simplify right side
146,174.84x = 15,957,532,029.02 - Step 5: Solve for x
x = 15,957,532,029.02/146,174.84 - Step 6: Final answer
x = 109,167.44
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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.