Finding the Fourth Proportional to 125,033.76, 187,516.08 and 54,895.68
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Solution
The fourth proportional to 125,033.76, 187,516.08 and 54,895.68 is: 82,328.35
Step by Step Solution
- Step 1: Write the proportion equation
125,033.76 : 187,516.08 = 54,895.68 : x - Step 2: Convert to fraction form
125,033.76/187,516.08 = 54,895.68/x - Step 3: Cross multiply
125,033.76x = 187,516.08 × 54,895.68 - Step 4: Simplify right side
125,033.76x = 10,293,822,722.53 - Step 5: Solve for x
x = 10,293,822,722.53/125,033.76 - Step 6: Final answer
x = 82,328.35
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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.