Finding the Fourth Proportional to 118,763.52, 164,003.84 and 88,903.68
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Solution
The fourth proportional to 118,763.52, 164,003.84 and 88,903.68 is: 122,769.56
Step by Step Solution
- Step 1: Write the proportion equation
118,763.52 : 164,003.84 = 88,903.68 : x - Step 2: Convert to fraction form
118,763.52/164,003.84 = 88,903.68/x - Step 3: Cross multiply
118,763.52x = 164,003.84 × 88,903.68 - Step 4: Simplify right side
118,763.52x = 14,580,544,910.13 - Step 5: Solve for x
x = 14,580,544,910.13/118,763.52 - Step 6: Final answer
x = 122,769.56
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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.