Finding the Fourth Proportional to 134,307.81, 185,204.04 and 100,261.68
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Solution
The fourth proportional to 134,307.81, 185,204.04 and 100,261.68 is: 138,256.06
Step by Step Solution
- Step 1: Write the proportion equation
134,307.81 : 185,204.04 = 100,261.68 : x - Step 2: Convert to fraction form
134,307.81/185,204.04 = 100,261.68/x - Step 3: Cross multiply
134,307.81x = 185,204.04 × 100,261.68 - Step 4: Simplify right side
134,307.81x = 18,568,868,193.19 - Step 5: Solve for x
x = 18,568,868,193.19/134,307.81 - Step 6: Final answer
x = 138,256.06
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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.