Finding the Fourth Proportional to 134,632.24, 185,784.90 and 74,202.70
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Solution
The fourth proportional to 134,632.24, 185,784.90 and 74,202.70 is: 102,395.54
Step by Step Solution
- Step 1: Write the proportion equation
134,632.24 : 185,784.90 = 74,202.70 : x - Step 2: Convert to fraction form
134,632.24/185,784.90 = 74,202.70/x - Step 3: Cross multiply
134,632.24x = 185,784.90 × 74,202.70 - Step 4: Simplify right side
134,632.24x = 13,785,741,199.23 - Step 5: Solve for x
x = 13,785,741,199.23/134,632.24 - Step 6: Final answer
x = 102,395.54
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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.