Finding the Fourth Proportional to 113,038.08, 169,557.20 and 39,166.08
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Solution
The fourth proportional to 113,038.08, 169,557.20 and 39,166.08 is: 58,749.15
Step by Step Solution
- Step 1: Write the proportion equation
113,038.08 : 169,557.20 = 39,166.08 : x - Step 2: Convert to fraction form
113,038.08/169,557.20 = 39,166.08/x - Step 3: Cross multiply
113,038.08x = 169,557.20 × 39,166.08 - Step 4: Simplify right side
113,038.08x = 6,640,890,859.78 - Step 5: Solve for x
x = 6,640,890,859.78/113,038.08 - Step 6: Final answer
x = 58,749.15
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1.5x scale
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.