Finding the Fourth Proportional to 124,125.48, 171,290.16 and 67,537.80
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Solution
The fourth proportional to 124,125.48, 171,290.16 and 67,537.80 is: 93,200.53
Step by Step Solution
- Step 1: Write the proportion equation
124,125.48 : 171,290.16 = 67,537.80 : x - Step 2: Convert to fraction form
124,125.48/171,290.16 = 67,537.80/x - Step 3: Cross multiply
124,125.48x = 171,290.16 × 67,537.80 - Step 4: Simplify right side
124,125.48x = 11,568,560,568.05 - Step 5: Solve for x
x = 11,568,560,568.05/124,125.48 - Step 6: Final answer
x = 93,200.53
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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.