Finding the Fourth Proportional to 106,558.32, 147,060.12 and 64,110
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Solution
The fourth proportional to 106,558.32, 147,060.12 and 64,110 is: 88,477.60
Step by Step Solution
- Step 1: Write the proportion equation
106,558.32 : 147,060.12 = 64,110 : x - Step 2: Convert to fraction form
106,558.32/147,060.12 = 64,110/x - Step 3: Cross multiply
106,558.32x = 147,060.12 × 64,110 - Step 4: Simplify right side
106,558.32x = 9,428,024,293.20 - Step 5: Solve for x
x = 9,428,024,293.20/106,558.32 - Step 6: Final answer
x = 88,477.60
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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.