Finding the Fourth Proportional to 160,416.57, 221,372.18 and 88,795.05
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Solution
The fourth proportional to 160,416.57, 221,372.18 and 88,795.05 is: 122,535.69
Step by Step Solution
- Step 1: Write the proportion equation
160,416.57 : 221,372.18 = 88,795.05 : x - Step 2: Convert to fraction form
160,416.57/221,372.18 = 88,795.05/x - Step 3: Cross multiply
160,416.57x = 221,372.18 × 88,795.05 - Step 4: Simplify right side
160,416.57x = 19,656,753,791.71 - Step 5: Solve for x
x = 19,656,753,791.71/160,416.57 - Step 6: Final answer
x = 122,535.69
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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.