Finding the Fourth Proportional to 147,167.08, 203,107.86 and 82,646.92
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Solution
The fourth proportional to 147,167.08, 203,107.86 and 82,646.92 is: 114,062.46
Step by Step Solution
- Step 1: Write the proportion equation
147,167.08 : 203,107.86 = 82,646.92 : x - Step 2: Convert to fraction form
147,167.08/203,107.86 = 82,646.92/x - Step 3: Cross multiply
147,167.08x = 203,107.86 × 82,646.92 - Step 4: Simplify right side
147,167.08x = 16,786,239,056.79 - Step 5: Solve for x
x = 16,786,239,056.79/147,167.08 - Step 6: Final answer
x = 114,062.46
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1.5x scale
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.