Finding the Fourth Proportional to 116,278.18, 160,420.83 and 73,246.12
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Solution
The fourth proportional to 116,278.18, 160,420.83 and 73,246.12 is: 101,052.52
Step by Step Solution
- Step 1: Write the proportion equation
116,278.18 : 160,420.83 = 73,246.12 : x - Step 2: Convert to fraction form
116,278.18/160,420.83 = 73,246.12/x - Step 3: Cross multiply
116,278.18x = 160,420.83 × 73,246.12 - Step 4: Simplify right side
116,278.18x = 11,750,203,364.68 - Step 5: Solve for x
x = 11,750,203,364.68/116,278.18 - Step 6: Final answer
x = 101,052.52
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1.5x scale
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.