Finding the Fourth Proportional to 130,562.08, 195,763.68 and 55,640.32
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Solution
The fourth proportional to 130,562.08, 195,763.68 and 55,640.32 is: 83,426.63
Step by Step Solution
- Step 1: Write the proportion equation
130,562.08 : 195,763.68 = 55,640.32 : x - Step 2: Convert to fraction form
130,562.08/195,763.68 = 55,640.32/x - Step 3: Cross multiply
130,562.08x = 195,763.68 × 55,640.32 - Step 4: Simplify right side
130,562.08x = 10,892,353,799.58 - Step 5: Solve for x
x = 10,892,353,799.58/130,562.08 - Step 6: Final answer
x = 83,426.63
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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.