Finding the Fourth Proportional to 187,125.16, 258,229.68 and 102,240.40
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Solution
The fourth proportional to 187,125.16, 258,229.68 and 102,240.40 is: 141,090.09
Step by Step Solution
- Step 1: Write the proportion equation
187,125.16 : 258,229.68 = 102,240.40 : x - Step 2: Convert to fraction form
187,125.16/258,229.68 = 102,240.40/x - Step 3: Cross multiply
187,125.16x = 258,229.68 × 102,240.40 - Step 4: Simplify right side
187,125.16x = 26,401,505,775.07 - Step 5: Solve for x
x = 26,401,505,775.07/187,125.16 - Step 6: Final answer
x = 141,090.09
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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.