Finding the Fourth Proportional to 134,769.75, 202,164.35 and 51,663.75
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Solution
The fourth proportional to 134,769.75, 202,164.35 and 51,663.75 is: 77,499.35
Step by Step Solution
- Step 1: Write the proportion equation
134,769.75 : 202,164.35 = 51,663.75 : x - Step 2: Convert to fraction form
134,769.75/202,164.35 = 51,663.75/x - Step 3: Cross multiply
134,769.75x = 202,164.35 × 51,663.75 - Step 4: Simplify right side
134,769.75x = 10,444,568,178.99 - Step 5: Solve for x
x = 10,444,568,178.99/134,769.75 - Step 6: Final answer
x = 77,499.35
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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.