Finding the Fourth Proportional to 160,679.15, 221,622.08 and 106,168.17
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Solution
The fourth proportional to 160,679.15, 221,622.08 and 106,168.17 is: 146,435.99
Step by Step Solution
- Step 1: Write the proportion equation
160,679.15 : 221,622.08 = 106,168.17 : x - Step 2: Convert to fraction form
160,679.15/221,622.08 = 106,168.17/x - Step 3: Cross multiply
160,679.15x = 221,622.08 × 106,168.17 - Step 4: Simplify right side
160,679.15x = 23,529,210,134.35 - Step 5: Solve for x
x = 23,529,210,134.35/160,679.15 - Step 6: Final answer
x = 146,435.99
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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.