Finding the Fourth Proportional to 118,849.14, 178,162.04 and 39,907.99
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Solution
The fourth proportional to 118,849.14, 178,162.04 and 39,907.99 is: 59,824.49
Step by Step Solution
- Step 1: Write the proportion equation
118,849.14 : 178,162.04 = 39,907.99 : x - Step 2: Convert to fraction form
118,849.14/178,162.04 = 39,907.99/x - Step 3: Cross multiply
118,849.14x = 178,162.04 × 39,907.99 - Step 4: Simplify right side
118,849.14x = 7,110,088,910.70 - Step 5: Solve for x
x = 7,110,088,910.70/118,849.14 - Step 6: Final answer
x = 59,824.49
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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.