Finding the Fourth Proportional to 122,555.73, 169,112.04 and 68,107.63
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Solution
The fourth proportional to 122,555.73, 169,112.04 and 68,107.63 is: 93,980.27
Step by Step Solution
- Step 1: Write the proportion equation
122,555.73 : 169,112.04 = 68,107.63 : x - Step 2: Convert to fraction form
122,555.73/169,112.04 = 68,107.63/x - Step 3: Cross multiply
122,555.73x = 169,112.04 × 68,107.63 - Step 4: Simplify right side
122,555.73x = 11,517,820,248.87 - Step 5: Solve for x
x = 11,517,820,248.87/122,555.73 - Step 6: Final answer
x = 93,980.27
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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.