Finding the Fourth Proportional to 135,181.46, 202,347.03 and 92,813.60
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Solution
The fourth proportional to 135,181.46, 202,347.03 and 92,813.60 is: 138,928.50
Step by Step Solution
- Step 1: Write the proportion equation
135,181.46 : 202,347.03 = 92,813.60 : x - Step 2: Convert to fraction form
135,181.46/202,347.03 = 92,813.60/x - Step 3: Cross multiply
135,181.46x = 202,347.03 × 92,813.60 - Step 4: Simplify right side
135,181.46x = 18,780,557,157.53 - Step 5: Solve for x
x = 18,780,557,157.53/135,181.46 - Step 6: Final answer
x = 138,928.50
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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.