Finding the Fourth Proportional to 125,166.42, 187,750.02 and 31,672.14
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Solution
The fourth proportional to 125,166.42, 187,750.02 and 31,672.14 is: 47,508.31
Step by Step Solution
- Step 1: Write the proportion equation
125,166.42 : 187,750.02 = 31,672.14 : x - Step 2: Convert to fraction form
125,166.42/187,750.02 = 31,672.14/x - Step 3: Cross multiply
125,166.42x = 187,750.02 × 31,672.14 - Step 4: Simplify right side
125,166.42x = 5,946,444,918.44 - Step 5: Solve for x
x = 5,946,444,918.44/125,166.42 - Step 6: Final answer
x = 47,508.31
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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.