Finding the Fourth Proportional to 121,230.24, 167,134.64 and 84,882.80
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Solution
The fourth proportional to 121,230.24, 167,134.64 and 84,882.80 is: 117,024.06
Step by Step Solution
- Step 1: Write the proportion equation
121,230.24 : 167,134.64 = 84,882.80 : x - Step 2: Convert to fraction form
121,230.24/167,134.64 = 84,882.80/x - Step 3: Cross multiply
121,230.24x = 167,134.64 × 84,882.80 - Step 4: Simplify right side
121,230.24x = 14,186,854,960.10 - Step 5: Solve for x
x = 14,186,854,960.10/121,230.24 - Step 6: Final answer
x = 117,024.06
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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.