Finding the Fourth Proportional to 143,880.96, 197,499.36 and 127,609.68
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Solution
The fourth proportional to 143,880.96, 197,499.36 and 127,609.68 is: 175,164.46
Step by Step Solution
- Step 1: Write the proportion equation
143,880.96 : 197,499.36 = 127,609.68 : x - Step 2: Convert to fraction form
143,880.96/197,499.36 = 127,609.68/x - Step 3: Cross multiply
143,880.96x = 197,499.36 × 127,609.68 - Step 4: Simplify right side
143,880.96x = 25,202,830,129.80 - Step 5: Solve for x
x = 25,202,830,129.80/143,880.96 - Step 6: Final answer
x = 175,164.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.