Finding the Fourth Proportional to 106,543.20, 159,814.80 and 62,147.10
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Solution
The fourth proportional to 106,543.20, 159,814.80 and 62,147.10 is: 93,220.65
Step by Step Solution
- Step 1: Write the proportion equation
106,543.20 : 159,814.80 = 62,147.10 : x - Step 2: Convert to fraction form
106,543.20/159,814.80 = 62,147.10/x - Step 3: Cross multiply
106,543.20x = 159,814.80 × 62,147.10 - Step 4: Simplify right side
106,543.20x = 9,932,026,357.08 - Step 5: Solve for x
x = 9,932,026,357.08/106,543.20 - Step 6: Final answer
x = 93,220.65
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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.