Finding the Fourth Proportional to 121,004.13, 181,506.09 and 36,763.95
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Solution
The fourth proportional to 121,004.13, 181,506.09 and 36,763.95 is: 55,145.89
Step by Step Solution
- Step 1: Write the proportion equation
121,004.13 : 181,506.09 = 36,763.95 : x - Step 2: Convert to fraction form
121,004.13/181,506.09 = 36,763.95/x - Step 3: Cross multiply
121,004.13x = 181,506.09 × 36,763.95 - Step 4: Simplify right side
121,004.13x = 6,672,880,817.46 - Step 5: Solve for x
x = 6,672,880,817.46/121,004.13 - Step 6: Final answer
x = 55,145.89
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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.