Finding the Fourth Proportional to 135,953.20, 203,929.80 and 115,832.80
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Solution
The fourth proportional to 135,953.20, 203,929.80 and 115,832.80 is: 173,749.20
Step by Step Solution
- Step 1: Write the proportion equation
135,953.20 : 203,929.80 = 115,832.80 : x - Step 2: Convert to fraction form
135,953.20/203,929.80 = 115,832.80/x - Step 3: Cross multiply
135,953.20x = 203,929.80 × 115,832.80 - Step 4: Simplify right side
135,953.20x = 23,621,759,737.44 - Step 5: Solve for x
x = 23,621,759,737.44/135,953.20 - Step 6: Final answer
x = 173,749.20
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1.5x scale
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.