Finding the Fourth Proportional to 97,893.26, 135,157.70 and 75,191.66
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Solution
The fourth proportional to 97,893.26, 135,157.70 and 75,191.66 is: 103,814.42
Step by Step Solution
- Step 1: Write the proportion equation
97,893.26 : 135,157.70 = 75,191.66 : x - Step 2: Convert to fraction form
97,893.26/135,157.70 = 75,191.66/x - Step 3: Cross multiply
97,893.26x = 135,157.70 × 75,191.66 - Step 4: Simplify right side
97,893.26x = 10,162,731,824.78 - Step 5: Solve for x
x = 10,162,731,824.78/97,893.26 - Step 6: Final answer
x = 103,814.42
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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.