Finding the Fourth Proportional to 135,958.20, 203,937.30 and 115,837.80
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Solution
The fourth proportional to 135,958.20, 203,937.30 and 115,837.80 is: 173,756.70
Step by Step Solution
- Step 1: Write the proportion equation
135,958.20 : 203,937.30 = 115,837.80 : x - Step 2: Convert to fraction form
135,958.20/203,937.30 = 115,837.80/x - Step 3: Cross multiply
135,958.20x = 203,937.30 × 115,837.80 - Step 4: Simplify right side
135,958.20x = 23,623,648,169.94 - Step 5: Solve for x
x = 23,623,648,169.94/135,958.20 - Step 6: Final answer
x = 173,756.70
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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.