Finding the Fourth Proportional to 146,806.12, 202,595.12 and 83,157.13
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Solution
The fourth proportional to 146,806.12, 202,595.12 and 83,157.13 is: 114,758.35
Step by Step Solution
- Step 1: Write the proportion equation
146,806.12 : 202,595.12 = 83,157.13 : x - Step 2: Convert to fraction form
146,806.12/202,595.12 = 83,157.13/x - Step 3: Cross multiply
146,806.12x = 202,595.12 × 83,157.13 - Step 4: Simplify right side
146,806.12x = 16,847,228,731.21 - Step 5: Solve for x
x = 16,847,228,731.21/146,806.12 - Step 6: Final answer
x = 114,758.35
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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.