Finding the Fourth Proportional to 136,785.03, 205,249.78 and 97,060.70
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Solution
The fourth proportional to 136,785.03, 205,249.78 and 97,060.70 is: 145,642.32
Step by Step Solution
- Step 1: Write the proportion equation
136,785.03 : 205,249.78 = 97,060.70 : x - Step 2: Convert to fraction form
136,785.03/205,249.78 = 97,060.70/x - Step 3: Cross multiply
136,785.03x = 205,249.78 × 97,060.70 - Step 4: Simplify right side
136,785.03x = 19,921,687,956.10 - Step 5: Solve for x
x = 19,921,687,956.10/136,785.03 - Step 6: Final answer
x = 145,642.32
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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.