Finding the Fourth Proportional to 125,537.42, 173,271.52 and 71,853.42
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Solution
The fourth proportional to 125,537.42, 173,271.52 and 71,853.42 is: 99,174.82
Step by Step Solution
- Step 1: Write the proportion equation
125,537.42 : 173,271.52 = 71,853.42 : x - Step 2: Convert to fraction form
125,537.42/173,271.52 = 71,853.42/x - Step 3: Cross multiply
125,537.42x = 173,271.52 × 71,853.42 - Step 4: Simplify right side
125,537.42x = 12,450,151,300.60 - Step 5: Solve for x
x = 12,450,151,300.60/125,537.42 - Step 6: Final answer
x = 99,174.82
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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.