Finding the Fourth Proportional to 130,156.04, 195,235.68 and 41,409.20
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Solution
The fourth proportional to 130,156.04, 195,235.68 and 41,409.20 is: 62,114.32
Step by Step Solution
- Step 1: Write the proportion equation
130,156.04 : 195,235.68 = 41,409.20 : x - Step 2: Convert to fraction form
130,156.04/195,235.68 = 41,409.20/x - Step 3: Cross multiply
130,156.04x = 195,235.68 × 41,409.20 - Step 4: Simplify right side
130,156.04x = 8,084,553,320.26 - Step 5: Solve for x
x = 8,084,553,320.26/130,156.04 - Step 6: Final answer
x = 62,114.32
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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.