Finding the Fourth Proportional to 112,760.18, 169,159.80 and 37,887.62
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Solution
The fourth proportional to 112,760.18, 169,159.80 and 37,887.62 is: 56,837.99
Step by Step Solution
- Step 1: Write the proportion equation
112,760.18 : 169,159.80 = 37,887.62 : x - Step 2: Convert to fraction form
112,760.18/169,159.80 = 37,887.62/x - Step 3: Cross multiply
112,760.18x = 169,159.80 × 37,887.62 - Step 4: Simplify right side
112,760.18x = 6,409,062,221.68 - Step 5: Solve for x
x = 6,409,062,221.68/112,760.18 - Step 6: Final answer
x = 56,837.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.