Finding the Fourth Proportional to 134,779.70, 202,169.55 and 95,413.70
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Solution
The fourth proportional to 134,779.70, 202,169.55 and 95,413.70 is: 143,120.55
Step by Step Solution
- Step 1: Write the proportion equation
134,779.70 : 202,169.55 = 95,413.70 : x - Step 2: Convert to fraction form
134,779.70/202,169.55 = 95,413.70/x - Step 3: Cross multiply
134,779.70x = 202,169.55 × 95,413.70 - Step 4: Simplify right side
134,779.70x = 19,289,744,792.84 - Step 5: Solve for x
x = 19,289,744,792.84/134,779.70 - Step 6: Final answer
x = 143,120.55
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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.