Finding the Fourth Proportional to 122,975.41, 184,708.95 and 118,939.99
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Solution
The fourth proportional to 122,975.41, 184,708.95 and 118,939.99 is: 178,647.75
Step by Step Solution
- Step 1: Write the proportion equation
122,975.41 : 184,708.95 = 118,939.99 : x - Step 2: Convert to fraction form
122,975.41/184,708.95 = 118,939.99/x - Step 3: Cross multiply
122,975.41x = 184,708.95 × 118,939.99 - Step 4: Simplify right side
122,975.41x = 21,969,280,665.91 - Step 5: Solve for x
x = 21,969,280,665.91/122,975.41 - Step 6: Final answer
x = 178,647.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.