Finding the Fourth Proportional to 133,011.08, 183,555.77 and 72,583.06
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Solution
The fourth proportional to 133,011.08, 183,555.77 and 72,583.06 is: 100,164.88
Step by Step Solution
- Step 1: Write the proportion equation
133,011.08 : 183,555.77 = 72,583.06 : x - Step 2: Convert to fraction form
133,011.08/183,555.77 = 72,583.06/x - Step 3: Cross multiply
133,011.08x = 183,555.77 × 72,583.06 - Step 4: Simplify right side
133,011.08x = 13,323,039,467.26 - Step 5: Solve for x
x = 13,323,039,467.26/133,011.08 - Step 6: Final answer
x = 100,164.88
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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.