Finding the Fourth Proportional to 118,741.14, 178,117.25 and 66,110.99
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Solution
The fourth proportional to 118,741.14, 178,117.25 and 66,110.99 is: 99,169.56
Step by Step Solution
- Step 1: Write the proportion equation
118,741.14 : 178,117.25 = 66,110.99 : x - Step 2: Convert to fraction form
118,741.14/178,117.25 = 66,110.99/x - Step 3: Cross multiply
118,741.14x = 178,117.25 × 66,110.99 - Step 4: Simplify right side
118,741.14x = 11,775,506,512.44 - Step 5: Solve for x
x = 11,775,506,512.44/118,741.14 - Step 6: Final answer
x = 99,169.56
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1.5x scale
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.