Finding the Fourth Proportional to 119,010.18, 178,515.88 and 40,125.09
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Solution
The fourth proportional to 119,010.18, 178,515.88 and 40,125.09 is: 60,187.84
Step by Step Solution
- Step 1: Write the proportion equation
119,010.18 : 178,515.88 = 40,125.09 : x - Step 2: Convert to fraction form
119,010.18/178,515.88 = 40,125.09/x - Step 3: Cross multiply
119,010.18x = 178,515.88 × 40,125.09 - Step 4: Simplify right side
119,010.18x = 7,162,965,801.59 - Step 5: Solve for x
x = 7,162,965,801.59/119,010.18 - Step 6: Final answer
x = 60,187.84
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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.