Finding the Fourth Proportional to 108,136.55, 149,231.43 and 60,392.99
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Solution
The fourth proportional to 108,136.55, 149,231.43 and 60,392.99 is: 83,344.00
Step by Step Solution
- Step 1: Write the proportion equation
108,136.55 : 149,231.43 = 60,392.99 : x - Step 2: Convert to fraction form
108,136.55/149,231.43 = 60,392.99/x - Step 3: Cross multiply
108,136.55x = 149,231.43 × 60,392.99 - Step 4: Simplify right side
108,136.55x = 9,012,532,632.75 - Step 5: Solve for x
x = 9,012,532,632.75/108,136.55 - Step 6: Final answer
x = 83,344.00
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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.