Finding the Fourth Proportional to 134,520.94, 185,638.80 and 74,090.08
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Solution
The fourth proportional to 134,520.94, 185,638.80 and 74,090.08 is: 102,244.26
Step by Step Solution
- Step 1: Write the proportion equation
134,520.94 : 185,638.80 = 74,090.08 : x - Step 2: Convert to fraction form
134,520.94/185,638.80 = 74,090.08/x - Step 3: Cross multiply
134,520.94x = 185,638.80 × 74,090.08 - Step 4: Simplify right side
134,520.94x = 13,753,993,543.10 - Step 5: Solve for x
x = 13,753,993,543.10/134,520.94 - Step 6: Final answer
x = 102,244.26
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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.