Finding the Fourth Proportional to 122,955.26, 169,681.14 and 68,511.10
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Solution
The fourth proportional to 122,955.26, 169,681.14 and 68,511.10 is: 94,546.92
Step by Step Solution
- Step 1: Write the proportion equation
122,955.26 : 169,681.14 = 68,511.10 : x - Step 2: Convert to fraction form
122,955.26/169,681.14 = 68,511.10/x - Step 3: Cross multiply
122,955.26x = 169,681.14 × 68,511.10 - Step 4: Simplify right side
122,955.26x = 11,625,041,550.65 - Step 5: Solve for x
x = 11,625,041,550.65/122,955.26 - Step 6: Final answer
x = 94,546.92
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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.