Finding the Fourth Proportional to 125,675.68, 188,508.60 and 42,569.68
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Solution
The fourth proportional to 125,675.68, 188,508.60 and 42,569.68 is: 63,852.85
Step by Step Solution
- Step 1: Write the proportion equation
125,675.68 : 188,508.60 = 42,569.68 : x - Step 2: Convert to fraction form
125,675.68/188,508.60 = 42,569.68/x - Step 3: Cross multiply
125,675.68x = 188,508.60 × 42,569.68 - Step 4: Simplify right side
125,675.68x = 8,024,750,779.25 - Step 5: Solve for x
x = 8,024,750,779.25/125,675.68 - Step 6: Final answer
x = 63,852.85
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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.