Finding the Fourth Proportional to 97,335.56, 134,201.37 and 81,226.08
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Solution
The fourth proportional to 97,335.56, 134,201.37 and 81,226.08 is: 111,990.43
Step by Step Solution
- Step 1: Write the proportion equation
97,335.56 : 134,201.37 = 81,226.08 : x - Step 2: Convert to fraction form
97,335.56/134,201.37 = 81,226.08/x - Step 3: Cross multiply
97,335.56x = 134,201.37 × 81,226.08 - Step 4: Simplify right side
97,335.56x = 10,900,651,520.33 - Step 5: Solve for x
x = 10,900,651,520.33/97,335.56 - Step 6: Final answer
x = 111,990.43
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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.