Finding the Fourth Proportional to 134,678.26, 185,852.58 and 74,247.51
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Solution
The fourth proportional to 134,678.26, 185,852.58 and 74,247.51 is: 102,459.68
Step by Step Solution
- Step 1: Write the proportion equation
134,678.26 : 185,852.58 = 74,247.51 : x - Step 2: Convert to fraction form
134,678.26/185,852.58 = 74,247.51/x - Step 3: Cross multiply
134,678.26x = 185,852.58 × 74,247.51 - Step 4: Simplify right side
134,678.26x = 13,799,091,292.08 - Step 5: Solve for x
x = 13,799,091,292.08/134,678.26 - Step 6: Final answer
x = 102,459.68
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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.