Finding the Fourth Proportional to 133,742.80, 184,623.84 and 93,614.12
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Solution
The fourth proportional to 133,742.80, 184,623.84 and 93,614.12 is: 129,228.63
Step by Step Solution
- Step 1: Write the proportion equation
133,742.80 : 184,623.84 = 93,614.12 : x - Step 2: Convert to fraction form
133,742.80/184,623.84 = 93,614.12/x - Step 3: Cross multiply
133,742.80x = 184,623.84 × 93,614.12 - Step 4: Simplify right side
133,742.80x = 17,283,398,312.62 - Step 5: Solve for x
x = 17,283,398,312.62/133,742.80 - Step 6: Final answer
x = 129,228.63
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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.