Finding the Fourth Proportional to 126,253.17, 174,228.90 and 68,891.99
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Solution
The fourth proportional to 126,253.17, 174,228.90 and 68,891.99 is: 95,070.68
Step by Step Solution
- Step 1: Write the proportion equation
126,253.17 : 174,228.90 = 68,891.99 : x - Step 2: Convert to fraction form
126,253.17/174,228.90 = 68,891.99/x - Step 3: Cross multiply
126,253.17x = 174,228.90 × 68,891.99 - Step 4: Simplify right side
126,253.17x = 12,002,974,507.02 - Step 5: Solve for x
x = 12,002,974,507.02/126,253.17 - Step 6: Final answer
x = 95,070.68
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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.