Finding the Fourth Proportional to 134,889.37, 202,563.69 and 129,246.91
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Solution
The fourth proportional to 134,889.37, 202,563.69 and 129,246.91 is: 194,090.39
Step by Step Solution
- Step 1: Write the proportion equation
134,889.37 : 202,563.69 = 129,246.91 : x - Step 2: Convert to fraction form
134,889.37/202,563.69 = 129,246.91/x - Step 3: Cross multiply
134,889.37x = 202,563.69 × 129,246.91 - Step 4: Simplify right side
134,889.37x = 26,180,731,010.70 - Step 5: Solve for x
x = 26,180,731,010.70/134,889.37 - Step 6: Final answer
x = 194,090.39
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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.