Finding the Fourth Proportional to 130,230.03, 196,321.10 and 121,549.98
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Solution
The fourth proportional to 130,230.03, 196,321.10 and 121,549.98 is: 183,235.98
Step by Step Solution
- Step 1: Write the proportion equation
130,230.03 : 196,321.10 = 121,549.98 : x - Step 2: Convert to fraction form
130,230.03/196,321.10 = 121,549.98/x - Step 3: Cross multiply
130,230.03x = 196,321.10 × 121,549.98 - Step 4: Simplify right side
130,230.03x = 23,862,826,590.75 - Step 5: Solve for x
x = 23,862,826,590.75/130,230.03 - Step 6: Final answer
x = 183,235.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.