Finding the Fourth Proportional to 134,992.80, 202,316.40 and 119,440.80
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Solution
The fourth proportional to 134,992.80, 202,316.40 and 119,440.80 is: 179,008.31
Step by Step Solution
- Step 1: Write the proportion equation
134,992.80 : 202,316.40 = 119,440.80 : x - Step 2: Convert to fraction form
134,992.80/202,316.40 = 119,440.80/x - Step 3: Cross multiply
134,992.80x = 202,316.40 × 119,440.80 - Step 4: Simplify right side
134,992.80x = 24,164,832,669.12 - Step 5: Solve for x
x = 24,164,832,669.12/134,992.80 - Step 6: Final answer
x = 179,008.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.