Finding the Fourth Proportional to 133,190.23, 183,807.99 and 76,601.62
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Solution
The fourth proportional to 133,190.23, 183,807.99 and 76,601.62 is: 105,713.38
Step by Step Solution
- Step 1: Write the proportion equation
133,190.23 : 183,807.99 = 76,601.62 : x - Step 2: Convert to fraction form
133,190.23/183,807.99 = 76,601.62/x - Step 3: Cross multiply
133,190.23x = 183,807.99 × 76,601.62 - Step 4: Simplify right side
133,190.23x = 14,079,989,802.94 - Step 5: Solve for x
x = 14,079,989,802.94/133,190.23 - Step 6: Final answer
x = 105,713.38
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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.