Finding the Fourth Proportional to 136,525.42, 204,880.34 and 47,779.70
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Solution
The fourth proportional to 136,525.42, 204,880.34 and 47,779.70 is: 71,701.82
Step by Step Solution
- Step 1: Write the proportion equation
136,525.42 : 204,880.34 = 47,779.70 : x - Step 2: Convert to fraction form
136,525.42/204,880.34 = 47,779.70/x - Step 3: Cross multiply
136,525.42x = 204,880.34 × 47,779.70 - Step 4: Simplify right side
136,525.42x = 9,789,121,181.10 - Step 5: Solve for x
x = 9,789,121,181.10/136,525.42 - Step 6: Final answer
x = 71,701.82
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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.