Finding the Fourth Proportional to 125,189.96, 187,796.58 and 40,950.66
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Solution
The fourth proportional to 125,189.96, 187,796.58 and 40,950.66 is: 61,429.80
Step by Step Solution
- Step 1: Write the proportion equation
125,189.96 : 187,796.58 = 40,950.66 : x - Step 2: Convert to fraction form
125,189.96/187,796.58 = 40,950.66/x - Step 3: Cross multiply
125,189.96x = 187,796.58 × 40,950.66 - Step 4: Simplify right side
125,189.96x = 7,690,394,447.41 - Step 5: Solve for x
x = 7,690,394,447.41/125,189.96 - Step 6: Final answer
x = 61,429.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.