Finding the Fourth Proportional to 127,861.92, 176,447.52 and 71,271.84
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Solution
The fourth proportional to 127,861.92, 176,447.52 and 71,271.84 is: 98,354.06
Step by Step Solution
- Step 1: Write the proportion equation
127,861.92 : 176,447.52 = 71,271.84 : x - Step 2: Convert to fraction form
127,861.92/176,447.52 = 71,271.84/x - Step 3: Cross multiply
127,861.92x = 176,447.52 × 71,271.84 - Step 4: Simplify right side
127,861.92x = 12,575,739,413.84 - Step 5: Solve for x
x = 12,575,739,413.84/127,861.92 - Step 6: Final answer
x = 98,354.06
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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.