Finding the Fourth Proportional to 135,712.12, 203,701.36 and 113,366.32
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Solution
The fourth proportional to 135,712.12, 203,701.36 and 113,366.32 is: 170,160.73
Step by Step Solution
- Step 1: Write the proportion equation
135,712.12 : 203,701.36 = 113,366.32 : x - Step 2: Convert to fraction form
135,712.12/203,701.36 = 113,366.32/x - Step 3: Cross multiply
135,712.12x = 203,701.36 × 113,366.32 - Step 4: Simplify right side
135,712.12x = 23,092,873,562.20 - Step 5: Solve for x
x = 23,092,873,562.20/135,712.12 - Step 6: Final answer
x = 170,160.73
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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.