Finding the Fourth Proportional to 115,810.95, 173,746.37 and 67,820.08
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Solution
The fourth proportional to 115,810.95, 173,746.37 and 67,820.08 is: 101,747.65
Step by Step Solution
- Step 1: Write the proportion equation
115,810.95 : 173,746.37 = 67,820.08 : x - Step 2: Convert to fraction form
115,810.95/173,746.37 = 67,820.08/x - Step 3: Cross multiply
115,810.95x = 173,746.37 × 67,820.08 - Step 4: Simplify right side
115,810.95x = 11,783,491,505.28 - Step 5: Solve for x
x = 11,783,491,505.28/115,810.95 - Step 6: Final answer
x = 101,747.65
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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.