Finding the Fourth Proportional to 108,376.74, 149,549.76 and 67,537.08
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Solution
The fourth proportional to 108,376.74, 149,549.76 and 67,537.08 is: 93,194.85
Step by Step Solution
- Step 1: Write the proportion equation
108,376.74 : 149,549.76 = 67,537.08 : x - Step 2: Convert to fraction form
108,376.74/149,549.76 = 67,537.08/x - Step 3: Cross multiply
108,376.74x = 149,549.76 × 67,537.08 - Step 4: Simplify right side
108,376.74x = 10,100,154,105.10 - Step 5: Solve for x
x = 10,100,154,105.10/108,376.74 - Step 6: Final answer
x = 93,194.85
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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.