Finding the Fourth Proportional to 126,733.79, 174,887.12 and 70,141.79
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Solution
The fourth proportional to 126,733.79, 174,887.12 and 70,141.79 is: 96,792.62
Step by Step Solution
- Step 1: Write the proportion equation
126,733.79 : 174,887.12 = 70,141.79 : x - Step 2: Convert to fraction form
126,733.79/174,887.12 = 70,141.79/x - Step 3: Cross multiply
126,733.79x = 174,887.12 × 70,141.79 - Step 4: Simplify right side
126,733.79x = 12,266,894,770.31 - Step 5: Solve for x
x = 12,266,894,770.31/126,733.79 - Step 6: Final answer
x = 96,792.62
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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.