Finding the Fourth Proportional to 134,675.26, 185,853.12 and 74,248.04
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Solution
The fourth proportional to 134,675.26, 185,853.12 and 74,248.04 is: 102,462.99
Step by Step Solution
- Step 1: Write the proportion equation
134,675.26 : 185,853.12 = 74,248.04 : x - Step 2: Convert to fraction form
134,675.26/185,853.12 = 74,248.04/x - Step 3: Cross multiply
134,675.26x = 185,853.12 × 74,248.04 - Step 4: Simplify right side
134,675.26x = 13,799,229,887.88 - Step 5: Solve for x
x = 13,799,229,887.88/134,675.26 - Step 6: Final answer
x = 102,462.99
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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.