Finding the Fourth Proportional to 135,077.76, 202,601.52 and 51,913.44
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Solution
The fourth proportional to 135,077.76, 202,601.52 and 51,913.44 is: 77,864.35
Step by Step Solution
- Step 1: Write the proportion equation
135,077.76 : 202,601.52 = 51,913.44 : x - Step 2: Convert to fraction form
135,077.76/202,601.52 = 51,913.44/x - Step 3: Cross multiply
135,077.76x = 202,601.52 × 51,913.44 - Step 4: Simplify right side
135,077.76x = 10,517,741,852.43 - Step 5: Solve for x
x = 10,517,741,852.43/135,077.76 - Step 6: Final answer
x = 77,864.35
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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.