Finding the Fourth Proportional to 149,901.12, 206,876.64 and 82,846.08
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Solution
The fourth proportional to 149,901.12, 206,876.64 and 82,846.08 is: 114,334.83
Step by Step Solution
- Step 1: Write the proportion equation
149,901.12 : 206,876.64 = 82,846.08 : x - Step 2: Convert to fraction form
149,901.12/206,876.64 = 82,846.08/x - Step 3: Cross multiply
149,901.12x = 206,876.64 × 82,846.08 - Step 4: Simplify right side
149,901.12x = 17,138,918,667.57 - Step 5: Solve for x
x = 17,138,918,667.57/149,901.12 - Step 6: Final answer
x = 114,334.83
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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.