Finding the Fourth Proportional to 119,206.08, 164,649.92 and 89,124.98
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Solution
The fourth proportional to 119,206.08, 164,649.92 and 89,124.98 is: 123,101.27
Step by Step Solution
- Step 1: Write the proportion equation
119,206.08 : 164,649.92 = 89,124.98 : x - Step 2: Convert to fraction form
119,206.08/164,649.92 = 89,124.98/x - Step 3: Cross multiply
119,206.08x = 164,649.92 × 89,124.98 - Step 4: Simplify right side
119,206.08x = 14,674,419,558.13 - Step 5: Solve for x
x = 14,674,419,558.13/119,206.08 - Step 6: Final answer
x = 123,101.27
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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.