Finding the Fourth Proportional to 181,630.77, 250,646.54 and 105,153.09
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Solution
The fourth proportional to 181,630.77, 250,646.54 and 105,153.09 is: 145,108.99
Step by Step Solution
- Step 1: Write the proportion equation
181,630.77 : 250,646.54 = 105,153.09 : x - Step 2: Convert to fraction form
181,630.77/250,646.54 = 105,153.09/x - Step 3: Cross multiply
181,630.77x = 250,646.54 × 105,153.09 - Step 4: Simplify right side
181,630.77x = 26,356,257,653.04 - Step 5: Solve for x
x = 26,356,257,653.04/181,630.77 - Step 6: Final answer
x = 145,108.99
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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.