Finding the Fourth Proportional to 122,929.00, 169,649.84 and 74,535.56
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Solution
The fourth proportional to 122,929.00, 169,649.84 and 74,535.56 is: 102,863.82
Step by Step Solution
- Step 1: Write the proportion equation
122,929.00 : 169,649.84 = 74,535.56 : x - Step 2: Convert to fraction form
122,929.00/169,649.84 = 74,535.56/x - Step 3: Cross multiply
122,929.00x = 169,649.84 × 74,535.56 - Step 4: Simplify right side
122,929.00x = 12,644,945,455.63 - Step 5: Solve for x
x = 12,644,945,455.63/122,929.00 - Step 6: Final answer
x = 102,863.82
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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.