Finding the Fourth Proportional to 118,236.51, 177,037.65 and 73,774.80
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Solution
The fourth proportional to 118,236.51, 177,037.65 and 73,774.80 is: 110,464.33
Step by Step Solution
- Step 1: Write the proportion equation
118,236.51 : 177,037.65 = 73,774.80 : x - Step 2: Convert to fraction form
118,236.51/177,037.65 = 73,774.80/x - Step 3: Cross multiply
118,236.51x = 177,037.65 × 73,774.80 - Step 4: Simplify right side
118,236.51x = 13,060,917,221.22 - Step 5: Solve for x
x = 13,060,917,221.22/118,236.51 - Step 6: Final answer
x = 110,464.33
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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.