Finding the Fourth Proportional to 113,955.99, 157,259.26 and 63,654.99
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Solution
The fourth proportional to 113,955.99, 157,259.26 and 63,654.99 is: 87,843.88
Step by Step Solution
- Step 1: Write the proportion equation
113,955.99 : 157,259.26 = 63,654.99 : x - Step 2: Convert to fraction form
113,955.99/157,259.26 = 63,654.99/x - Step 3: Cross multiply
113,955.99x = 157,259.26 × 63,654.99 - Step 4: Simplify right side
113,955.99x = 10,010,335,873.85 - Step 5: Solve for x
x = 10,010,335,873.85/113,955.99 - Step 6: Final answer
x = 87,843.88
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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.