Finding the Fourth Proportional to 136,038.08, 204,078.16 and 69,442.08
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Solution
The fourth proportional to 136,038.08, 204,078.16 and 69,442.08 is: 104,173.86
Step by Step Solution
- Step 1: Write the proportion equation
136,038.08 : 204,078.16 = 69,442.08 : x - Step 2: Convert to fraction form
136,038.08/204,078.16 = 69,442.08/x - Step 3: Cross multiply
136,038.08x = 204,078.16 × 69,442.08 - Step 4: Simplify right side
136,038.08x = 14,171,611,912.97 - Step 5: Solve for x
x = 14,171,611,912.97/136,038.08 - Step 6: Final answer
x = 104,173.86
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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.