Finding the Fourth Proportional to 133,515.62, 184,251.93 and 73,899.62
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Solution
The fourth proportional to 133,515.62, 184,251.93 and 73,899.62 is: 101,981.68
Step by Step Solution
- Step 1: Write the proportion equation
133,515.62 : 184,251.93 = 73,899.62 : x - Step 2: Convert to fraction form
133,515.62/184,251.93 = 73,899.62/x - Step 3: Cross multiply
133,515.62x = 184,251.93 × 73,899.62 - Step 4: Simplify right side
133,515.62x = 13,616,147,611.27 - Step 5: Solve for x
x = 13,616,147,611.27/133,515.62 - Step 6: Final answer
x = 101,981.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.