Finding the Fourth Proportional to 149,175.56, 205,862.28 and 81,192.80
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Solution
The fourth proportional to 149,175.56, 205,862.28 and 81,192.80 is: 112,046.07
Step by Step Solution
- Step 1: Write the proportion equation
149,175.56 : 205,862.28 = 81,192.80 : x - Step 2: Convert to fraction form
149,175.56/205,862.28 = 81,192.80/x - Step 3: Cross multiply
149,175.56x = 205,862.28 × 81,192.80 - Step 4: Simplify right side
149,175.56x = 16,714,534,927.58 - Step 5: Solve for x
x = 16,714,534,927.58/149,175.56 - Step 6: Final answer
x = 112,046.07
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1.5x scale
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.