Finding the Fourth Proportional to 161,865.13, 223,294.49 and 108,163.33
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Solution
The fourth proportional to 161,865.13, 223,294.49 and 108,163.33 is: 149,212.34
Step by Step Solution
- Step 1: Write the proportion equation
161,865.13 : 223,294.49 = 108,163.33 : x - Step 2: Convert to fraction form
161,865.13/223,294.49 = 108,163.33/x - Step 3: Cross multiply
161,865.13x = 223,294.49 × 108,163.33 - Step 4: Simplify right side
161,865.13x = 24,152,275,068.24 - Step 5: Solve for x
x = 24,152,275,068.24/161,865.13 - Step 6: Final answer
x = 149,212.34
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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.