Finding the Fourth Proportional to 139,584.06, 192,692.93 and 85,915.08
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Solution
The fourth proportional to 139,584.06, 192,692.93 and 85,915.08 is: 118,604.00
Step by Step Solution
- Step 1: Write the proportion equation
139,584.06 : 192,692.93 = 85,915.08 : x - Step 2: Convert to fraction form
139,584.06/192,692.93 = 85,915.08/x - Step 3: Cross multiply
139,584.06x = 192,692.93 × 85,915.08 - Step 4: Simplify right side
139,584.06x = 16,555,228,066.81 - Step 5: Solve for x
x = 16,555,228,066.81/139,584.06 - Step 6: Final answer
x = 118,604.00
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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.