Finding the Fourth Proportional to 122,547.63, 169,105.62 and 68,101.41
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Solution
The fourth proportional to 122,547.63, 169,105.62 and 68,101.41 is: 93,974.32
Step by Step Solution
- Step 1: Write the proportion equation
122,547.63 : 169,105.62 = 68,101.41 : x - Step 2: Convert to fraction form
122,547.63/169,105.62 = 68,101.41/x - Step 3: Cross multiply
122,547.63x = 169,105.62 × 68,101.41 - Step 4: Simplify right side
122,547.63x = 11,516,331,099.23 - Step 5: Solve for x
x = 11,516,331,099.23/122,547.63 - Step 6: Final answer
x = 93,974.32
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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.