Finding the Fourth Proportional to 132,090.21, 198,132.89 and 53,202.49
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Solution
The fourth proportional to 132,090.21, 198,132.89 and 53,202.49 is: 79,802.75
Step by Step Solution
- Step 1: Write the proportion equation
132,090.21 : 198,132.89 = 53,202.49 : x - Step 2: Convert to fraction form
132,090.21/198,132.89 = 53,202.49/x - Step 3: Cross multiply
132,090.21x = 198,132.89 × 53,202.49 - Step 4: Simplify right side
132,090.21x = 10,541,162,337.55 - Step 5: Solve for x
x = 10,541,162,337.55/132,090.21 - Step 6: Final answer
x = 79,802.75
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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.