Finding the Fourth Proportional to 122,774.23, 183,761.76 and 68,649.63
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Solution
The fourth proportional to 122,774.23, 183,761.76 and 68,649.63 is: 102,751.01
Step by Step Solution
- Step 1: Write the proportion equation
122,774.23 : 183,761.76 = 68,649.63 : x - Step 2: Convert to fraction form
122,774.23/183,761.76 = 68,649.63/x - Step 3: Cross multiply
122,774.23x = 183,761.76 × 68,649.63 - Step 4: Simplify right side
122,774.23x = 12,615,176,400.48 - Step 5: Solve for x
x = 12,615,176,400.48/122,774.23 - Step 6: Final answer
x = 102,751.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.