Finding the Fourth Proportional to 135,376.13, 203,250.53 and 68,861.23
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Solution
The fourth proportional to 135,376.13, 203,250.53 and 68,861.23 is: 103,386.62
Step by Step Solution
- Step 1: Write the proportion equation
135,376.13 : 203,250.53 = 68,861.23 : x - Step 2: Convert to fraction form
135,376.13/203,250.53 = 68,861.23/x - Step 3: Cross multiply
135,376.13x = 203,250.53 × 68,861.23 - Step 4: Simplify right side
135,376.13x = 13,996,081,157.98 - Step 5: Solve for x
x = 13,996,081,157.98/135,376.13 - Step 6: Final answer
x = 103,386.62
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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.