Finding the Fourth Proportional to 167,146.84, 230,629.74 and 99,151.12
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Solution
The fourth proportional to 167,146.84, 230,629.74 and 99,151.12 is: 136,809.03
Step by Step Solution
- Step 1: Write the proportion equation
167,146.84 : 230,629.74 = 99,151.12 : x - Step 2: Convert to fraction form
167,146.84/230,629.74 = 99,151.12/x - Step 3: Cross multiply
167,146.84x = 230,629.74 × 99,151.12 - Step 4: Simplify right side
167,146.84x = 22,867,197,026.31 - Step 5: Solve for x
x = 22,867,197,026.31/167,146.84 - Step 6: Final answer
x = 136,809.03
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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.