Finding the Fourth Proportional to 119,189.24, 164,412.42 and 71,414.90
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Solution
The fourth proportional to 119,189.24, 164,412.42 and 71,414.90 is: 98,511.38
Step by Step Solution
- Step 1: Write the proportion equation
119,189.24 : 164,412.42 = 71,414.90 : x - Step 2: Convert to fraction form
119,189.24/164,412.42 = 71,414.90/x - Step 3: Cross multiply
119,189.24x = 164,412.42 × 71,414.90 - Step 4: Simplify right side
119,189.24x = 11,741,495,711.00 - Step 5: Solve for x
x = 11,741,495,711.00/119,189.24 - Step 6: Final answer
x = 98,511.38
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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.