Finding the Fourth Proportional to 160,720.08, 221,800.68 and 106,918.80
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Solution
The fourth proportional to 160,720.08, 221,800.68 and 106,918.80 is: 147,552.58
Step by Step Solution
- Step 1: Write the proportion equation
160,720.08 : 221,800.68 = 106,918.80 : x - Step 2: Convert to fraction form
160,720.08/221,800.68 = 106,918.80/x - Step 3: Cross multiply
160,720.08x = 221,800.68 × 106,918.80 - Step 4: Simplify right side
160,720.08x = 23,714,662,544.78 - Step 5: Solve for x
x = 23,714,662,544.78/160,720.08 - Step 6: Final answer
x = 147,552.58
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1.5x scale
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.