Finding the Fourth Proportional to 133,022.41, 183,574.80 and 72,596.94
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Solution
The fourth proportional to 133,022.41, 183,574.80 and 72,596.94 is: 100,185.89
Step by Step Solution
- Step 1: Write the proportion equation
133,022.41 : 183,574.80 = 72,596.94 : x - Step 2: Convert to fraction form
133,022.41/183,574.80 = 72,596.94/x - Step 3: Cross multiply
133,022.41x = 183,574.80 × 72,596.94 - Step 4: Simplify right side
133,022.41x = 13,326,968,378.13 - Step 5: Solve for x
x = 13,326,968,378.13/133,022.41 - Step 6: Final answer
x = 100,185.89
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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.