Finding the Fourth Proportional to 140,611.22, 193,841.50 and 100,254.99
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Solution
The fourth proportional to 140,611.22, 193,841.50 and 100,254.99 is: 138,207.87
Step by Step Solution
- Step 1: Write the proportion equation
140,611.22 : 193,841.50 = 100,254.99 : x - Step 2: Convert to fraction form
140,611.22/193,841.50 = 100,254.99/x - Step 3: Cross multiply
140,611.22x = 193,841.50 × 100,254.99 - Step 4: Simplify right side
140,611.22x = 19,433,577,644.09 - Step 5: Solve for x
x = 19,433,577,644.09/140,611.22 - Step 6: Final answer
x = 138,207.87
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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.