Finding the Fourth Proportional to 118,763.64, 178,165.08 and 56,413.08
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Solution
The fourth proportional to 118,763.64, 178,165.08 and 56,413.08 is: 84,628.94
Step by Step Solution
- Step 1: Write the proportion equation
118,763.64 : 178,165.08 = 56,413.08 : x - Step 2: Convert to fraction form
118,763.64/178,165.08 = 56,413.08/x - Step 3: Cross multiply
118,763.64x = 178,165.08 × 56,413.08 - Step 4: Simplify right side
118,763.64x = 10,050,840,911.25 - Step 5: Solve for x
x = 10,050,840,911.25/118,763.64 - Step 6: Final answer
x = 84,628.94
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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.