Finding the Fourth Proportional to 130,121.28, 195,201.36 and 41,377.68
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Solution
The fourth proportional to 130,121.28, 195,201.36 and 41,377.68 is: 62,072.70
Step by Step Solution
- Step 1: Write the proportion equation
130,121.28 : 195,201.36 = 41,377.68 : x - Step 2: Convert to fraction form
130,121.28/195,201.36 = 41,377.68/x - Step 3: Cross multiply
130,121.28x = 195,201.36 × 41,377.68 - Step 4: Simplify right side
130,121.28x = 8,076,979,409.64 - Step 5: Solve for x
x = 8,076,979,409.64/130,121.28 - Step 6: Final answer
x = 62,072.70
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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.