Finding the Fourth Proportional to 133,790.13, 184,623.27 and 76,418.18
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Solution
The fourth proportional to 133,790.13, 184,623.27 and 76,418.18 is: 105,453.03
Step by Step Solution
- Step 1: Write the proportion equation
133,790.13 : 184,623.27 = 76,418.18 : x - Step 2: Convert to fraction form
133,790.13/184,623.27 = 76,418.18/x - Step 3: Cross multiply
133,790.13x = 184,623.27 × 76,418.18 - Step 4: Simplify right side
133,790.13x = 14,108,574,279.05 - Step 5: Solve for x
x = 14,108,574,279.05/133,790.13 - Step 6: Final answer
x = 105,453.03
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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.