Finding the Fourth Proportional to 160,167.05, 221,011.11 and 88,537.13
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Solution
The fourth proportional to 160,167.05, 221,011.11 and 88,537.13 is: 122,170.50
Step by Step Solution
- Step 1: Write the proportion equation
160,167.05 : 221,011.11 = 88,537.13 : x - Step 2: Convert to fraction form
160,167.05/221,011.11 = 88,537.13/x - Step 3: Cross multiply
160,167.05x = 221,011.11 × 88,537.13 - Step 4: Simplify right side
160,167.05x = 19,567,689,377.51 - Step 5: Solve for x
x = 19,567,689,377.51/160,167.05 - Step 6: Final answer
x = 122,170.50
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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.