Finding the Fourth Proportional to 140,610.22, 193,840.12 and 100,253.99
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Solution
The fourth proportional to 140,610.22, 193,840.12 and 100,253.99 is: 138,206.49
Step by Step Solution
- Step 1: Write the proportion equation
140,610.22 : 193,840.12 = 100,253.99 : x - Step 2: Convert to fraction form
140,610.22/193,840.12 = 100,253.99/x - Step 3: Cross multiply
140,610.22x = 193,840.12 × 100,253.99 - Step 4: Simplify right side
140,610.22x = 19,433,245,452.08 - Step 5: Solve for x
x = 19,433,245,452.08/140,610.22 - Step 6: Final answer
x = 138,206.49
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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.