Finding the Fourth Proportional to 119,191.44, 178,860.99 and 69,295.02
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Solution
The fourth proportional to 119,191.44, 178,860.99 and 69,295.02 is: 103,985.45
Step by Step Solution
- Step 1: Write the proportion equation
119,191.44 : 178,860.99 = 69,295.02 : x - Step 2: Convert to fraction form
119,191.44/178,860.99 = 69,295.02/x - Step 3: Cross multiply
119,191.44x = 178,860.99 × 69,295.02 - Step 4: Simplify right side
119,191.44x = 12,394,175,879.27 - Step 5: Solve for x
x = 12,394,175,879.27/119,191.44 - Step 6: Final answer
x = 103,985.45
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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.