Finding the Fourth Proportional to 112,536.94, 155,295.18 and 61,539.75
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Solution
The fourth proportional to 112,536.94, 155,295.18 and 61,539.75 is: 84,921.68
Step by Step Solution
- Step 1: Write the proportion equation
112,536.94 : 155,295.18 = 61,539.75 : x - Step 2: Convert to fraction form
112,536.94/155,295.18 = 61,539.75/x - Step 3: Cross multiply
112,536.94x = 155,295.18 × 61,539.75 - Step 4: Simplify right side
112,536.94x = 9,556,826,553.41 - Step 5: Solve for x
x = 9,556,826,553.41/112,536.94 - Step 6: Final answer
x = 84,921.68
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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.