Finding the Fourth Proportional to 115,813.08, 173,754.90 and 56,640.15
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Solution
The fourth proportional to 115,813.08, 173,754.90 and 56,640.15 is: 84,977.48
Step by Step Solution
- Step 1: Write the proportion equation
115,813.08 : 173,754.90 = 56,640.15 : x - Step 2: Convert to fraction form
115,813.08/173,754.90 = 56,640.15/x - Step 3: Cross multiply
115,813.08x = 173,754.90 × 56,640.15 - Step 4: Simplify right side
115,813.08x = 9,841,503,599.24 - Step 5: Solve for x
x = 9,841,503,599.24/115,813.08 - Step 6: Final answer
x = 84,977.48
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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.