Finding the Fourth Proportional to 107,343.23, 160,765.70 and 103,606.65
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Solution
The fourth proportional to 107,343.23, 160,765.70 and 103,606.65 is: 155,169.50
Step by Step Solution
- Step 1: Write the proportion equation
107,343.23 : 160,765.70 = 103,606.65 : x - Step 2: Convert to fraction form
107,343.23/160,765.70 = 103,606.65/x - Step 3: Cross multiply
107,343.23x = 160,765.70 × 103,606.65 - Step 4: Simplify right side
107,343.23x = 16,656,395,093.87 - Step 5: Solve for x
x = 16,656,395,093.87/107,343.23 - Step 6: Final answer
x = 155,169.50
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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.