Finding the Fourth Proportional to 121,036.23, 167,027.58 and 67,320.09
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Solution
The fourth proportional to 121,036.23, 167,027.58 and 67,320.09 is: 92,900.38
Step by Step Solution
- Step 1: Write the proportion equation
121,036.23 : 167,027.58 = 67,320.09 : x - Step 2: Convert to fraction form
121,036.23/167,027.58 = 67,320.09/x - Step 3: Cross multiply
121,036.23x = 167,027.58 × 67,320.09 - Step 4: Simplify right side
121,036.23x = 11,244,311,718.08 - Step 5: Solve for x
x = 11,244,311,718.08/121,036.23 - Step 6: Final answer
x = 92,900.38
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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.