Finding the Fourth Proportional to 134,881.41, 186,136.36 and 74,452.07
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Solution
The fourth proportional to 134,881.41, 186,136.36 and 74,452.07 is: 102,743.86
Step by Step Solution
- Step 1: Write the proportion equation
134,881.41 : 186,136.36 = 74,452.07 : x - Step 2: Convert to fraction form
134,881.41/186,136.36 = 74,452.07/x - Step 3: Cross multiply
134,881.41x = 186,136.36 × 74,452.07 - Step 4: Simplify right side
134,881.41x = 13,858,236,466.66 - Step 5: Solve for x
x = 13,858,236,466.66/134,881.41 - Step 6: Final answer
x = 102,743.86
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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.