Finding the Fourth Proportional to 127,446.76, 175,903.14 and 87,241.96
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Solution
The fourth proportional to 127,446.76, 175,903.14 and 87,241.96 is: 120,412.12
Step by Step Solution
- Step 1: Write the proportion equation
127,446.76 : 175,903.14 = 87,241.96 : x - Step 2: Convert to fraction form
127,446.76/175,903.14 = 87,241.96/x - Step 3: Cross multiply
127,446.76x = 175,903.14 × 87,241.96 - Step 4: Simplify right side
127,446.76x = 15,346,134,703.75 - Step 5: Solve for x
x = 15,346,134,703.75/127,446.76 - Step 6: Final answer
x = 120,412.12
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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.