Finding the Fourth Proportional to 129,250.24, 178,292.48 and 75,523.84
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Solution
The fourth proportional to 129,250.24, 178,292.48 and 75,523.84 is: 104,180.33
Step by Step Solution
- Step 1: Write the proportion equation
129,250.24 : 178,292.48 = 75,523.84 : x - Step 2: Convert to fraction form
129,250.24/178,292.48 = 75,523.84/x - Step 3: Cross multiply
129,250.24x = 178,292.48 × 75,523.84 - Step 4: Simplify right side
129,250.24x = 13,465,332,732.72 - Step 5: Solve for x
x = 13,465,332,732.72/129,250.24 - Step 6: Final answer
x = 104,180.33
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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.