Finding the Fourth Proportional to 114,170.04, 157,555.10 and 63,869.08
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Solution
The fourth proportional to 114,170.04, 157,555.10 and 63,869.08 is: 88,139.58
Step by Step Solution
- Step 1: Write the proportion equation
114,170.04 : 157,555.10 = 63,869.08 : x - Step 2: Convert to fraction form
114,170.04/157,555.10 = 63,869.08/x - Step 3: Cross multiply
114,170.04x = 157,555.10 × 63,869.08 - Step 4: Simplify right side
114,170.04x = 10,062,899,286.31 - Step 5: Solve for x
x = 10,062,899,286.31/114,170.04 - Step 6: Final answer
x = 88,139.58
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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.