Finding the Fourth Proportional to 145,770.06, 201,093.93 and 85,303.62
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Solution
The fourth proportional to 145,770.06, 201,093.93 and 85,303.62 is: 117,678.76
Step by Step Solution
- Step 1: Write the proportion equation
145,770.06 : 201,093.93 = 85,303.62 : x - Step 2: Convert to fraction form
145,770.06/201,093.93 = 85,303.62/x - Step 3: Cross multiply
145,770.06x = 201,093.93 × 85,303.62 - Step 4: Simplify right side
145,770.06x = 17,154,040,189.03 - Step 5: Solve for x
x = 17,154,040,189.03/145,770.06 - Step 6: Final answer
x = 117,678.76
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1.5x scale
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.