Finding the Fourth Proportional to 134,377.38, 185,241.99 and 85,974.09
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Solution
The fourth proportional to 134,377.38, 185,241.99 and 85,974.09 is: 118,517.06
Step by Step Solution
- Step 1: Write the proportion equation
134,377.38 : 185,241.99 = 85,974.09 : x - Step 2: Convert to fraction form
134,377.38/185,241.99 = 85,974.09/x - Step 3: Cross multiply
134,377.38x = 185,241.99 × 85,974.09 - Step 4: Simplify right side
134,377.38x = 15,926,011,520.04 - Step 5: Solve for x
x = 15,926,011,520.04/134,377.38 - Step 6: Final answer
x = 118,517.06
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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.