Finding the Fourth Proportional to 133,304.36, 183,980.04 and 76,704.80
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Solution
The fourth proportional to 133,304.36, 183,980.04 and 76,704.80 is: 105,864.15
Step by Step Solution
- Step 1: Write the proportion equation
133,304.36 : 183,980.04 = 76,704.80 : x - Step 2: Convert to fraction form
133,304.36/183,980.04 = 76,704.80/x - Step 3: Cross multiply
133,304.36x = 183,980.04 × 76,704.80 - Step 4: Simplify right side
133,304.36x = 14,112,152,172.19 - Step 5: Solve for x
x = 14,112,152,172.19/133,304.36 - Step 6: Final answer
x = 105,864.15
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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.