Finding the Fourth Proportional to 125,777.53, 173,650.44 and 86,554.09
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Solution
The fourth proportional to 125,777.53, 173,650.44 and 86,554.09 is: 119,497.94
Step by Step Solution
- Step 1: Write the proportion equation
125,777.53 : 173,650.44 = 86,554.09 : x - Step 2: Convert to fraction form
125,777.53/173,650.44 = 86,554.09/x - Step 3: Cross multiply
125,777.53x = 173,650.44 × 86,554.09 - Step 4: Simplify right side
125,777.53x = 15,030,155,812.30 - Step 5: Solve for x
x = 15,030,155,812.30/125,777.53 - Step 6: Final answer
x = 119,497.94
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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.