Finding the Fourth Proportional to 122,371.41, 168,875.16 and 68,660.31
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Solution
The fourth proportional to 122,371.41, 168,875.16 and 68,660.31 is: 94,752.69
Step by Step Solution
- Step 1: Write the proportion equation
122,371.41 : 168,875.16 = 68,660.31 : x - Step 2: Convert to fraction form
122,371.41/168,875.16 = 68,660.31/x - Step 3: Cross multiply
122,371.41x = 168,875.16 × 68,660.31 - Step 4: Simplify right side
122,371.41x = 11,595,020,836.90 - Step 5: Solve for x
x = 11,595,020,836.90/122,371.41 - Step 6: Final answer
x = 94,752.69
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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.