Finding the Fourth Proportional to 121,550.40, 167,746.68 and 67,837.68
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Solution
The fourth proportional to 121,550.40, 167,746.68 and 67,837.68 is: 93,619.98
Step by Step Solution
- Step 1: Write the proportion equation
121,550.40 : 167,746.68 = 67,837.68 : x - Step 2: Convert to fraction form
121,550.40/167,746.68 = 67,837.68/x - Step 3: Cross multiply
121,550.40x = 167,746.68 × 67,837.68 - Step 4: Simplify right side
121,550.40x = 11,379,545,598.90 - Step 5: Solve for x
x = 11,379,545,598.90/121,550.40 - Step 6: Final answer
x = 93,619.98
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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.