Finding the Fourth Proportional to 170,114.68, 254,691.95 and 89,971.05
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Solution
The fourth proportional to 170,114.68, 254,691.95 and 89,971.05 is: 134,702.68
Step by Step Solution
- Step 1: Write the proportion equation
170,114.68 : 254,691.95 = 89,971.05 : x - Step 2: Convert to fraction form
170,114.68/254,691.95 = 89,971.05/x - Step 3: Cross multiply
170,114.68x = 254,691.95 × 89,971.05 - Step 4: Simplify right side
170,114.68x = 22,914,902,673.29 - Step 5: Solve for x
x = 22,914,902,673.29/170,114.68 - Step 6: Final answer
x = 134,702.68
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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.