Finding the Fourth Proportional to 129,156.19, 193,550.27 and 95,154.79
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Solution
The fourth proportional to 129,156.19, 193,550.27 and 95,154.79 is: 142,596.62
Step by Step Solution
- Step 1: Write the proportion equation
129,156.19 : 193,550.27 = 95,154.79 : x - Step 2: Convert to fraction form
129,156.19/193,550.27 = 95,154.79/x - Step 3: Cross multiply
129,156.19x = 193,550.27 × 95,154.79 - Step 4: Simplify right side
129,156.19x = 18,417,235,419.29 - Step 5: Solve for x
x = 18,417,235,419.29/129,156.19 - Step 6: Final answer
x = 142,596.62
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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.