Finding the Fourth Proportional to 120,955.63, 181,374.67 and 36,700.55
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Solution
The fourth proportional to 120,955.63, 181,374.67 and 36,700.55 is: 55,032.99
Step by Step Solution
- Step 1: Write the proportion equation
120,955.63 : 181,374.67 = 36,700.55 : x - Step 2: Convert to fraction form
120,955.63/181,374.67 = 36,700.55/x - Step 3: Cross multiply
120,955.63x = 181,374.67 × 36,700.55 - Step 4: Simplify right side
120,955.63x = 6,656,550,145.07 - Step 5: Solve for x
x = 6,656,550,145.07/120,955.63 - Step 6: Final answer
x = 55,032.99
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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.