Finding the Fourth Proportional to 122,873.03, 169,546.34 and 69,154.85
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Solution
The fourth proportional to 122,873.03, 169,546.34 and 69,154.85 is: 95,423.31
Step by Step Solution
- Step 1: Write the proportion equation
122,873.03 : 169,546.34 = 69,154.85 : x - Step 2: Convert to fraction form
122,873.03/169,546.34 = 69,154.85/x - Step 3: Cross multiply
122,873.03x = 169,546.34 × 69,154.85 - Step 4: Simplify right side
122,873.03x = 11,724,950,517.24 - Step 5: Solve for x
x = 11,724,950,517.24/122,873.03 - Step 6: Final answer
x = 95,423.31
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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.