Finding the Fourth Proportional to 134,731.20, 202,096.80 and 99,301.80
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Solution
The fourth proportional to 134,731.20, 202,096.80 and 99,301.80 is: 148,952.70
Step by Step Solution
- Step 1: Write the proportion equation
134,731.20 : 202,096.80 = 99,301.80 : x - Step 2: Convert to fraction form
134,731.20/202,096.80 = 99,301.80/x - Step 3: Cross multiply
134,731.20x = 202,096.80 × 99,301.80 - Step 4: Simplify right side
134,731.20x = 20,068,576,014.24 - Step 5: Solve for x
x = 20,068,576,014.24/134,731.20 - Step 6: Final answer
x = 148,952.70
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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.