Finding the Fourth Proportional to 115,318.96, 159,136.56 and 67,604.09
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Solution
The fourth proportional to 115,318.96, 159,136.56 and 67,604.09 is: 93,291.53
Step by Step Solution
- Step 1: Write the proportion equation
115,318.96 : 159,136.56 = 67,604.09 : x - Step 2: Convert to fraction form
115,318.96/159,136.56 = 67,604.09/x - Step 3: Cross multiply
115,318.96x = 159,136.56 × 67,604.09 - Step 4: Simplify right side
115,318.96x = 10,758,282,324.53 - Step 5: Solve for x
x = 10,758,282,324.53/115,318.96 - Step 6: Final answer
x = 93,291.53
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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.