Finding the Fourth Proportional to 134,897.23, 186,144.90 and 74,463.97
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Solution
The fourth proportional to 134,897.23, 186,144.90 and 74,463.97 is: 102,752.95
Step by Step Solution
- Step 1: Write the proportion equation
134,897.23 : 186,144.90 = 74,463.97 : x - Step 2: Convert to fraction form
134,897.23/186,144.90 = 74,463.97/x - Step 3: Cross multiply
134,897.23x = 186,144.90 × 74,463.97 - Step 4: Simplify right side
134,897.23x = 13,861,088,249.25 - Step 5: Solve for x
x = 13,861,088,249.25/134,897.23 - Step 6: Final answer
x = 102,752.95
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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.