Finding the Fourth Proportional to 134,189.19, 201,316.77 and 66,753.05
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Solution
The fourth proportional to 134,189.19, 201,316.77 and 66,753.05 is: 100,145.98
Step by Step Solution
- Step 1: Write the proportion equation
134,189.19 : 201,316.77 = 66,753.05 : x - Step 2: Convert to fraction form
134,189.19/201,316.77 = 66,753.05/x - Step 3: Cross multiply
134,189.19x = 201,316.77 × 66,753.05 - Step 4: Simplify right side
134,189.19x = 13,438,507,407.06 - Step 5: Solve for x
x = 13,438,507,407.06/134,189.19 - Step 6: Final answer
x = 100,145.98
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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.