Finding the Fourth Proportional to 167,119.22, 230,587.21 and 99,101.63
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Solution
The fourth proportional to 167,119.22, 230,587.21 and 99,101.63 is: 136,738.12
Step by Step Solution
- Step 1: Write the proportion equation
167,119.22 : 230,587.21 = 99,101.63 : x - Step 2: Convert to fraction form
167,119.22/230,587.21 = 99,101.63/x - Step 3: Cross multiply
167,119.22x = 230,587.21 × 99,101.63 - Step 4: Simplify right side
167,119.22x = 22,851,568,368.15 - Step 5: Solve for x
x = 22,851,568,368.15/167,119.22 - Step 6: Final answer
x = 136,738.12
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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.