Finding the Fourth Proportional to 142,963.99, 214,306.56 and 68,064.00
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Solution
The fourth proportional to 142,963.99, 214,306.56 and 68,064.00 is: 102,029.62
Step by Step Solution
- Step 1: Write the proportion equation
142,963.99 : 214,306.56 = 68,064.00 : x - Step 2: Convert to fraction form
142,963.99/214,306.56 = 68,064.00/x - Step 3: Cross multiply
142,963.99x = 214,306.56 × 68,064.00 - Step 4: Simplify right side
142,963.99x = 14,586,560,896.19 - Step 5: Solve for x
x = 14,586,560,896.19/142,963.99 - Step 6: Final answer
x = 102,029.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.