Finding the Fourth Proportional to 102,246.76, 141,064.01 and 59,202.75
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Solution
The fourth proportional to 102,246.76, 141,064.01 and 59,202.75 is: 81,678.66
Step by Step Solution
- Step 1: Write the proportion equation
102,246.76 : 141,064.01 = 59,202.75 : x - Step 2: Convert to fraction form
102,246.76/141,064.01 = 59,202.75/x - Step 3: Cross multiply
102,246.76x = 141,064.01 × 59,202.75 - Step 4: Simplify right side
102,246.76x = 8,351,377,705.69 - Step 5: Solve for x
x = 8,351,377,705.69/102,246.76 - Step 6: Final answer
x = 81,678.66
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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.