Finding the Fourth Proportional to 122,723.31, 183,862.49 and 56,219.07
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Solution
The fourth proportional to 122,723.31, 183,862.49 and 56,219.07 is: 84,226.69
Step by Step Solution
- Step 1: Write the proportion equation
122,723.31 : 183,862.49 = 56,219.07 : x - Step 2: Convert to fraction form
122,723.31/183,862.49 = 56,219.07/x - Step 3: Cross multiply
122,723.31x = 183,862.49 × 56,219.07 - Step 4: Simplify right side
122,723.31x = 10,336,577,914.59 - Step 5: Solve for x
x = 10,336,577,914.59/122,723.31 - Step 6: Final answer
x = 84,226.69
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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.