Finding the Fourth Proportional to 135,462.20, 202,901.70 and 112,134.20
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Solution
The fourth proportional to 135,462.20, 202,901.70 and 112,134.20 is: 167,959.92
Step by Step Solution
- Step 1: Write the proportion equation
135,462.20 : 202,901.70 = 112,134.20 : x - Step 2: Convert to fraction form
135,462.20/202,901.70 = 112,134.20/x - Step 3: Cross multiply
135,462.20x = 202,901.70 × 112,134.20 - Step 4: Simplify right side
135,462.20x = 22,752,219,808.14 - Step 5: Solve for x
x = 22,752,219,808.14/135,462.20 - Step 6: Final answer
x = 167,959.92
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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.