Finding the Fourth Proportional to 129,917.08, 194,862.86 and 88,066.00
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Solution
The fourth proportional to 129,917.08, 194,862.86 and 88,066.00 is: 132,090.34
Step by Step Solution
- Step 1: Write the proportion equation
129,917.08 : 194,862.86 = 88,066.00 : x - Step 2: Convert to fraction form
129,917.08/194,862.86 = 88,066.00/x - Step 3: Cross multiply
129,917.08x = 194,862.86 × 88,066.00 - Step 4: Simplify right side
129,917.08x = 17,160,791,214.12 - Step 5: Solve for x
x = 17,160,791,214.12/129,917.08 - Step 6: Final answer
x = 132,090.34
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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.