Finding the Fourth Proportional to 106,214.74, 159,322.12 and 39,660.08
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Solution
The fourth proportional to 106,214.74, 159,322.12 and 39,660.08 is: 59,490.12
Step by Step Solution
- Step 1: Write the proportion equation
106,214.74 : 159,322.12 = 39,660.08 : x - Step 2: Convert to fraction form
106,214.74/159,322.12 = 39,660.08/x - Step 3: Cross multiply
106,214.74x = 159,322.12 × 39,660.08 - Step 4: Simplify right side
106,214.74x = 6,318,728,024.97 - Step 5: Solve for x
x = 6,318,728,024.97/106,214.74 - Step 6: Final answer
x = 59,490.12
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1.5x scale
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.