Finding the Fourth Proportional to 170,402.10, 235,149.66 and 106,774.98
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Solution
The fourth proportional to 170,402.10, 235,149.66 and 106,774.98 is: 147,346.19
Step by Step Solution
- Step 1: Write the proportion equation
170,402.10 : 235,149.66 = 106,774.98 : x - Step 2: Convert to fraction form
170,402.10/235,149.66 = 106,774.98/x - Step 3: Cross multiply
170,402.10x = 235,149.66 × 106,774.98 - Step 4: Simplify right side
170,402.10x = 25,108,100,243.51 - Step 5: Solve for x
x = 25,108,100,243.51/170,402.10 - Step 6: Final answer
x = 147,346.19
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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.