Finding the Fourth Proportional to 140,664.87, 194,208.08 and 125,531.53
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Solution
The fourth proportional to 140,664.87, 194,208.08 and 125,531.53 is: 173,314.32
Step by Step Solution
- Step 1: Write the proportion equation
140,664.87 : 194,208.08 = 125,531.53 : x - Step 2: Convert to fraction form
140,664.87/194,208.08 = 125,531.53/x - Step 3: Cross multiply
140,664.87x = 194,208.08 × 125,531.53 - Step 4: Simplify right side
140,664.87x = 24,379,236,307.58 - Step 5: Solve for x
x = 24,379,236,307.58/140,664.87 - Step 6: Final answer
x = 173,314.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.