Finding the Fourth Proportional to 126,332.19, 174,330.95 and 68,960.12
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Solution
The fourth proportional to 126,332.19, 174,330.95 and 68,960.12 is: 95,160.88
Step by Step Solution
- Step 1: Write the proportion equation
126,332.19 : 174,330.95 = 68,960.12 : x - Step 2: Convert to fraction form
126,332.19/174,330.95 = 68,960.12/x - Step 3: Cross multiply
126,332.19x = 174,330.95 × 68,960.12 - Step 4: Simplify right side
126,332.19x = 12,021,882,015.26 - Step 5: Solve for x
x = 12,021,882,015.26/126,332.19 - Step 6: Final answer
x = 95,160.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.