Finding the Fourth Proportional to 187,123.92, 258,231.24 and 102,240.98
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Solution
The fourth proportional to 187,123.92, 258,231.24 and 102,240.98 is: 141,092.68
Step by Step Solution
- Step 1: Write the proportion equation
187,123.92 : 258,231.24 = 102,240.98 : x - Step 2: Convert to fraction form
187,123.92/258,231.24 = 102,240.98/x - Step 3: Cross multiply
187,123.92x = 258,231.24 × 102,240.98 - Step 4: Simplify right side
187,123.92x = 26,401,816,173.98 - Step 5: Solve for x
x = 26,401,816,173.98/187,123.92 - Step 6: Final answer
x = 141,092.68
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1.5x scale
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.