Finding the Fourth Proportional to 133,141.44, 199,656.72 and 54,202.08
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Solution
The fourth proportional to 133,141.44, 199,656.72 and 54,202.08 is: 81,280.55
Step by Step Solution
- Step 1: Write the proportion equation
133,141.44 : 199,656.72 = 54,202.08 : x - Step 2: Convert to fraction form
133,141.44/199,656.72 = 54,202.08/x - Step 3: Cross multiply
133,141.44x = 199,656.72 × 54,202.08 - Step 4: Simplify right side
133,141.44x = 10,821,809,509.98 - Step 5: Solve for x
x = 10,821,809,509.98/133,141.44 - Step 6: Final answer
x = 81,280.55
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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.