Finding the Fourth Proportional to 106,134.66, 146,468.11 and 58,387.99
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Solution
The fourth proportional to 106,134.66, 146,468.11 and 58,387.99 is: 80,576.68
Step by Step Solution
- Step 1: Write the proportion equation
106,134.66 : 146,468.11 = 58,387.99 : x - Step 2: Convert to fraction form
106,134.66/146,468.11 = 58,387.99/x - Step 3: Cross multiply
106,134.66x = 146,468.11 × 58,387.99 - Step 4: Simplify right side
106,134.66x = 8,551,978,542.00 - Step 5: Solve for x
x = 8,551,978,542.00/106,134.66 - Step 6: Final answer
x = 80,576.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.