Finding the Fourth Proportional to 102,497.66, 141,446.99 and 57,174.48
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Solution
The fourth proportional to 102,497.66, 141,446.99 and 57,174.48 is: 78,900.91
Step by Step Solution
- Step 1: Write the proportion equation
102,497.66 : 141,446.99 = 57,174.48 : x - Step 2: Convert to fraction form
102,497.66/141,446.99 = 57,174.48/x - Step 3: Cross multiply
102,497.66x = 141,446.99 × 57,174.48 - Step 4: Simplify right side
102,497.66x = 8,087,157,814.94 - Step 5: Solve for x
x = 8,087,157,814.94/102,497.66 - Step 6: Final answer
x = 78,900.91
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1.5x scale
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.