Finding the Fourth Proportional to 124,353.70, 186,421.20 and 74,453.65
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Solution
The fourth proportional to 124,353.70, 186,421.20 and 74,453.65 is: 111,615.00
Step by Step Solution
- Step 1: Write the proportion equation
124,353.70 : 186,421.20 = 74,453.65 : x - Step 2: Convert to fraction form
124,353.70/186,421.20 = 74,453.65/x - Step 3: Cross multiply
124,353.70x = 186,421.20 × 74,453.65 - Step 4: Simplify right side
124,353.70x = 13,879,738,777.38 - Step 5: Solve for x
x = 13,879,738,777.38/124,353.70 - Step 6: Final answer
x = 111,615.00
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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.