Finding the Fourth Proportional to 125,474.67, 173,187.01 and 71,776.53
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Solution
The fourth proportional to 125,474.67, 173,187.01 and 71,776.53 is: 99,069.90
Step by Step Solution
- Step 1: Write the proportion equation
125,474.67 : 173,187.01 = 71,776.53 : x - Step 2: Convert to fraction form
125,474.67/173,187.01 = 71,776.53/x - Step 3: Cross multiply
125,474.67x = 173,187.01 × 71,776.53 - Step 4: Simplify right side
125,474.67x = 12,430,762,708.60 - Step 5: Solve for x
x = 12,430,762,708.60/125,474.67 - Step 6: Final answer
x = 99,069.90
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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.