Finding the Fourth Proportional to 131,504.04, 181,424.58 and 83,748.84
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Solution
The fourth proportional to 131,504.04, 181,424.58 and 83,748.84 is: 115,540.92
Step by Step Solution
- Step 1: Write the proportion equation
131,504.04 : 181,424.58 = 83,748.84 : x - Step 2: Convert to fraction form
131,504.04/181,424.58 = 83,748.84/x - Step 3: Cross multiply
131,504.04x = 181,424.58 × 83,748.84 - Step 4: Simplify right side
131,504.04x = 15,194,098,122.49 - Step 5: Solve for x
x = 15,194,098,122.49/131,504.04 - Step 6: Final answer
x = 115,540.92
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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.