Finding the Fourth Proportional to 134,887.85, 202,331.42 and 126,666.79
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Solution
The fourth proportional to 134,887.85, 202,331.42 and 126,666.79 is: 189,999.85
Step by Step Solution
- Step 1: Write the proportion equation
134,887.85 : 202,331.42 = 126,666.79 : x - Step 2: Convert to fraction form
134,887.85/202,331.42 = 126,666.79/x - Step 3: Cross multiply
134,887.85x = 202,331.42 × 126,666.79 - Step 4: Simplify right side
134,887.85x = 25,628,670,823.38 - Step 5: Solve for x
x = 25,628,670,823.38/134,887.85 - Step 6: Final answer
x = 189,999.85
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1.5x scale
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.