Finding the Fourth Proportional to 123,204.38, 170,015.06 and 69,486.19
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Solution
The fourth proportional to 123,204.38, 170,015.06 and 69,486.19 is: 95,887.00
Step by Step Solution
- Step 1: Write the proportion equation
123,204.38 : 170,015.06 = 69,486.19 : x - Step 2: Convert to fraction form
123,204.38/170,015.06 = 69,486.19/x - Step 3: Cross multiply
123,204.38x = 170,015.06 × 69,486.19 - Step 4: Simplify right side
123,204.38x = 11,813,698,762.02 - Step 5: Solve for x
x = 11,813,698,762.02/123,204.38 - Step 6: Final answer
x = 95,887.00
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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.