Finding the Fourth Proportional to 137,689.44, 206,450.86 and 61,774.08
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Solution
The fourth proportional to 137,689.44, 206,450.86 and 61,774.08 is: 92,623.75
Step by Step Solution
- Step 1: Write the proportion equation
137,689.44 : 206,450.86 = 61,774.08 : x - Step 2: Convert to fraction form
137,689.44/206,450.86 = 61,774.08/x - Step 3: Cross multiply
137,689.44x = 206,450.86 × 61,774.08 - Step 4: Simplify right side
137,689.44x = 12,753,311,941.71 - Step 5: Solve for x
x = 12,753,311,941.71/137,689.44 - Step 6: Final answer
x = 92,623.75
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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.