Finding the Fourth Proportional to 134,982.03, 186,276.61 and 74,554.21
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Solution
The fourth proportional to 134,982.03, 186,276.61 and 74,554.21 is: 102,885.59
Step by Step Solution
- Step 1: Write the proportion equation
134,982.03 : 186,276.61 = 74,554.21 : x - Step 2: Convert to fraction form
134,982.03/186,276.61 = 74,554.21/x - Step 3: Cross multiply
134,982.03x = 186,276.61 × 74,554.21 - Step 4: Simplify right side
134,982.03x = 13,887,705,500.03 - Step 5: Solve for x
x = 13,887,705,500.03/134,982.03 - Step 6: Final answer
x = 102,885.59
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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.