Finding the Fourth Proportional to 136,695.06, 204,944.16 and 83,995.65
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Solution
The fourth proportional to 136,695.06, 204,944.16 and 83,995.65 is: 125,932.99
Step by Step Solution
- Step 1: Write the proportion equation
136,695.06 : 204,944.16 = 83,995.65 : x - Step 2: Convert to fraction form
136,695.06/204,944.16 = 83,995.65/x - Step 3: Cross multiply
136,695.06x = 204,944.16 × 83,995.65 - Step 4: Simplify right side
136,695.06x = 17,214,417,932.90 - Step 5: Solve for x
x = 17,214,417,932.90/136,695.06 - Step 6: Final answer
x = 125,932.99
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1.5x scale
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.