Finding the Fourth Proportional to 126,722.64, 190,329.99 and 93,310.74
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Solution
The fourth proportional to 126,722.64, 190,329.99 and 93,310.74 is: 140,147.27
Step by Step Solution
- Step 1: Write the proportion equation
126,722.64 : 190,329.99 = 93,310.74 : x - Step 2: Convert to fraction form
126,722.64/190,329.99 = 93,310.74/x - Step 3: Cross multiply
126,722.64x = 190,329.99 × 93,310.74 - Step 4: Simplify right side
126,722.64x = 17,759,832,211.09 - Step 5: Solve for x
x = 17,759,832,211.09/126,722.64 - Step 6: Final answer
x = 140,147.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.