Finding the Fourth Proportional to 106,682.72, 147,226.36 and 61,360.63
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Solution
The fourth proportional to 106,682.72, 147,226.36 and 61,360.63 is: 84,680.09
Step by Step Solution
- Step 1: Write the proportion equation
106,682.72 : 147,226.36 = 61,360.63 : x - Step 2: Convert to fraction form
106,682.72/147,226.36 = 61,360.63/x - Step 3: Cross multiply
106,682.72x = 147,226.36 × 61,360.63 - Step 4: Simplify right side
106,682.72x = 9,033,902,202.21 - Step 5: Solve for x
x = 9,033,902,202.21/106,682.72 - Step 6: Final answer
x = 84,680.09
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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.