Finding the Fourth Proportional to 134,221.66, 185,220.68 and 73,791.20
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Solution
The fourth proportional to 134,221.66, 185,220.68 and 73,791.20 is: 101,828.99
Step by Step Solution
- Step 1: Write the proportion equation
134,221.66 : 185,220.68 = 73,791.20 : x - Step 2: Convert to fraction form
134,221.66/185,220.68 = 73,791.20/x - Step 3: Cross multiply
134,221.66x = 185,220.68 × 73,791.20 - Step 4: Simplify right side
134,221.66x = 13,667,656,336.11 - Step 5: Solve for x
x = 13,667,656,336.11/134,221.66 - Step 6: Final answer
x = 101,828.99
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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.