Finding the Fourth Proportional to 135,883.13, 202,909.60 and 110,972.60
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Solution
The fourth proportional to 135,883.13, 202,909.60 and 110,972.60 is: 165,711.56
Step by Step Solution
- Step 1: Write the proportion equation
135,883.13 : 202,909.60 = 110,972.60 : x - Step 2: Convert to fraction form
135,883.13/202,909.60 = 110,972.60/x - Step 3: Cross multiply
135,883.13x = 202,909.60 × 110,972.60 - Step 4: Simplify right side
135,883.13x = 22,517,405,876.96 - Step 5: Solve for x
x = 22,517,405,876.96/135,883.13 - Step 6: Final answer
x = 165,711.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.