Finding the Fourth Proportional to 167,121.01, 230,656.46 and 99,175.44
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Solution
The fourth proportional to 167,121.01, 230,656.46 and 99,175.44 is: 136,879.59
Step by Step Solution
- Step 1: Write the proportion equation
167,121.01 : 230,656.46 = 99,175.44 : x - Step 2: Convert to fraction form
167,121.01/230,656.46 = 99,175.44/x - Step 3: Cross multiply
167,121.01x = 230,656.46 × 99,175.44 - Step 4: Simplify right side
167,121.01x = 22,875,455,909.34 - Step 5: Solve for x
x = 22,875,455,909.34/167,121.01 - Step 6: Final answer
x = 136,879.59
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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.