Finding the Fourth Proportional to 130,513.65, 195,695.04 and 69,648.84
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Solution
The fourth proportional to 130,513.65, 195,695.04 and 69,648.84 is: 104,433.00
Step by Step Solution
- Step 1: Write the proportion equation
130,513.65 : 195,695.04 = 69,648.84 : x - Step 2: Convert to fraction form
130,513.65/195,695.04 = 69,648.84/x - Step 3: Cross multiply
130,513.65x = 195,695.04 × 69,648.84 - Step 4: Simplify right side
130,513.65x = 13,629,932,529.75 - Step 5: Solve for x
x = 13,629,932,529.75/130,513.65 - Step 6: Final answer
x = 104,433.00
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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.