Finding the Fourth Proportional to 112,564.24, 168,762.52 and 68,180.29
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Solution
The fourth proportional to 112,564.24, 168,762.52 and 68,180.29 is: 102,219.65
Step by Step Solution
- Step 1: Write the proportion equation
112,564.24 : 168,762.52 = 68,180.29 : x - Step 2: Convert to fraction form
112,564.24/168,762.52 = 68,180.29/x - Step 3: Cross multiply
112,564.24x = 168,762.52 × 68,180.29 - Step 4: Simplify right side
112,564.24x = 11,506,277,514.23 - Step 5: Solve for x
x = 11,506,277,514.23/112,564.24 - Step 6: Final answer
x = 102,219.65
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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.