Finding the Fourth Proportional to 114,193.04, 157,568.99 and 65,135.07
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Solution
The fourth proportional to 114,193.04, 157,568.99 and 65,135.07 is: 89,876.47
Step by Step Solution
- Step 1: Write the proportion equation
114,193.04 : 157,568.99 = 65,135.07 : x - Step 2: Convert to fraction form
114,193.04/157,568.99 = 65,135.07/x - Step 3: Cross multiply
114,193.04x = 157,568.99 × 65,135.07 - Step 4: Simplify right side
114,193.04x = 10,263,266,867.80 - Step 5: Solve for x
x = 10,263,266,867.80/114,193.04 - Step 6: Final answer
x = 89,876.47
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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.