Finding the Fourth Proportional to 133,751.19, 184,595.49 and 82,780.26
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Solution
The fourth proportional to 133,751.19, 184,595.49 and 82,780.26 is: 114,248.42
Step by Step Solution
- Step 1: Write the proportion equation
133,751.19 : 184,595.49 = 82,780.26 : x - Step 2: Convert to fraction form
133,751.19/184,595.49 = 82,780.26/x - Step 3: Cross multiply
133,751.19x = 184,595.49 × 82,780.26 - Step 4: Simplify right side
133,751.19x = 15,280,862,657.03 - Step 5: Solve for x
x = 15,280,862,657.03/133,751.19 - Step 6: Final answer
x = 114,248.42
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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.