Finding the Fourth Proportional to 113,958.24, 157,265.28 and 63,660.48
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Solution
The fourth proportional to 113,958.24, 157,265.28 and 63,660.48 is: 87,853.09
Step by Step Solution
- Step 1: Write the proportion equation
113,958.24 : 157,265.28 = 63,660.48 : x - Step 2: Convert to fraction form
113,958.24/157,265.28 = 63,660.48/x - Step 3: Cross multiply
113,958.24x = 157,265.28 × 63,660.48 - Step 4: Simplify right side
113,958.24x = 10,011,583,212.13 - Step 5: Solve for x
x = 10,011,583,212.13/113,958.24 - Step 6: Final answer
x = 87,853.09
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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.