Finding the Fourth Proportional to 170,636.91, 235,564.19 and 106,126.94
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Solution
The fourth proportional to 170,636.91, 235,564.19 and 106,126.94 is: 146,508.20
Step by Step Solution
- Step 1: Write the proportion equation
170,636.91 : 235,564.19 = 106,126.94 : x - Step 2: Convert to fraction form
170,636.91/235,564.19 = 106,126.94/x - Step 3: Cross multiply
170,636.91x = 235,564.19 × 106,126.94 - Step 4: Simplify right side
170,636.91x = 24,999,706,127.64 - Step 5: Solve for x
x = 24,999,706,127.64/170,636.91 - Step 6: Final answer
x = 146,508.20
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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.