Finding the Fourth Proportional to 122,546.19, 169,123.98 and 68,841.98
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Solution
The fourth proportional to 122,546.19, 169,123.98 and 68,841.98 is: 95,007.68
Step by Step Solution
- Step 1: Write the proportion equation
122,546.19 : 169,123.98 = 68,841.98 : x - Step 2: Convert to fraction form
122,546.19/169,123.98 = 68,841.98/x - Step 3: Cross multiply
122,546.19x = 169,123.98 × 68,841.98 - Step 4: Simplify right side
122,546.19x = 11,642,828,803.06 - Step 5: Solve for x
x = 11,642,828,803.06/122,546.19 - Step 6: Final answer
x = 95,007.68
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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.