Finding the Fourth Proportional to 133,089.13, 199,558.36 and 54,110.49
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Solution
The fourth proportional to 133,089.13, 199,558.36 and 54,110.49 is: 81,135.11
Step by Step Solution
- Step 1: Write the proportion equation
133,089.13 : 199,558.36 = 54,110.49 : x - Step 2: Convert to fraction form
133,089.13/199,558.36 = 54,110.49/x - Step 3: Cross multiply
133,089.13x = 199,558.36 × 54,110.49 - Step 4: Simplify right side
133,089.13x = 10,798,200,643.20 - Step 5: Solve for x
x = 10,798,200,643.20/133,089.13 - Step 6: Final answer
x = 81,135.11
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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.