Finding the Fourth Proportional to 121,268.58, 167,350.86 and 70,291.14
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Solution
The fourth proportional to 121,268.58, 167,350.86 and 70,291.14 is: 97,001.90
Step by Step Solution
- Step 1: Write the proportion equation
121,268.58 : 167,350.86 = 70,291.14 : x - Step 2: Convert to fraction form
121,268.58/167,350.86 = 70,291.14/x - Step 3: Cross multiply
121,268.58x = 167,350.86 × 70,291.14 - Step 4: Simplify right side
121,268.58x = 11,763,282,729.38 - Step 5: Solve for x
x = 11,763,282,729.38/121,268.58 - Step 6: Final answer
x = 97,001.90
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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.