Finding the Fourth Proportional to 125,474.27, 173,148.44 and 71,765.19
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Solution
The fourth proportional to 125,474.27, 173,148.44 and 71,765.19 is: 99,032.50
Step by Step Solution
- Step 1: Write the proportion equation
125,474.27 : 173,148.44 = 71,765.19 : x - Step 2: Convert to fraction form
125,474.27/173,148.44 = 71,765.19/x - Step 3: Cross multiply
125,474.27x = 173,148.44 × 71,765.19 - Step 4: Simplify right side
125,474.27x = 12,426,030,335.98 - Step 5: Solve for x
x = 12,426,030,335.98/125,474.27 - Step 6: Final answer
x = 99,032.50
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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.