Finding the Fourth Proportional to 106,193.99, 146,543.28 and 60,840.47
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Solution
The fourth proportional to 106,193.99, 146,543.28 and 60,840.47 is: 83,957.31
Step by Step Solution
- Step 1: Write the proportion equation
106,193.99 : 146,543.28 = 60,840.47 : x - Step 2: Convert to fraction form
106,193.99/146,543.28 = 60,840.47/x - Step 3: Cross multiply
106,193.99x = 146,543.28 × 60,840.47 - Step 4: Simplify right side
106,193.99x = 8,915,761,344.44 - Step 5: Solve for x
x = 8,915,761,344.44/106,193.99 - Step 6: Final answer
x = 83,957.31
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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.