Finding the Fourth Proportional to 125,812.36, 188,728.79 and 35,861.95
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Solution
The fourth proportional to 125,812.36, 188,728.79 and 35,861.95 is: 53,795.85
Step by Step Solution
- Step 1: Write the proportion equation
125,812.36 : 188,728.79 = 35,861.95 : x - Step 2: Convert to fraction form
125,812.36/188,728.79 = 35,861.95/x - Step 3: Cross multiply
125,812.36x = 188,728.79 × 35,861.95 - Step 4: Simplify right side
125,812.36x = 6,768,182,251.23 - Step 5: Solve for x
x = 6,768,182,251.23/125,812.36 - Step 6: Final answer
x = 53,795.85
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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.