Finding the Fourth Proportional to 136,355.87, 188,106.50 and 88,591.79
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Solution
The fourth proportional to 136,355.87, 188,106.50 and 88,591.79 is: 122,214.70
Step by Step Solution
- Step 1: Write the proportion equation
136,355.87 : 188,106.50 = 88,591.79 : x - Step 2: Convert to fraction form
136,355.87/188,106.50 = 88,591.79/x - Step 3: Cross multiply
136,355.87x = 188,106.50 × 88,591.79 - Step 4: Simplify right side
136,355.87x = 16,664,692,237.38 - Step 5: Solve for x
x = 16,664,692,237.38/136,355.87 - Step 6: Final answer
x = 122,214.70
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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.