Finding the Fourth Proportional to 110,646.70, 166,101.66 and 106,135.06
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Solution
The fourth proportional to 110,646.70, 166,101.66 and 106,135.06 is: 159,328.83
Step by Step Solution
- Step 1: Write the proportion equation
110,646.70 : 166,101.66 = 106,135.06 : x - Step 2: Convert to fraction form
110,646.70/166,101.66 = 106,135.06/x - Step 3: Cross multiply
110,646.70x = 166,101.66 × 106,135.06 - Step 4: Simplify right side
110,646.70x = 17,629,209,650.20 - Step 5: Solve for x
x = 17,629,209,650.20/110,646.70 - Step 6: Final answer
x = 159,328.83
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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.