Finding the Fourth Proportional to 125,250.18, 172,852.20 and 71,552.63
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Solution
The fourth proportional to 125,250.18, 172,852.20 and 71,552.63 is: 98,746.60
Step by Step Solution
- Step 1: Write the proportion equation
125,250.18 : 172,852.20 = 71,552.63 : x - Step 2: Convert to fraction form
125,250.18/172,852.20 = 71,552.63/x - Step 3: Cross multiply
125,250.18x = 172,852.20 × 71,552.63 - Step 4: Simplify right side
125,250.18x = 12,368,029,511.29 - Step 5: Solve for x
x = 12,368,029,511.29/125,250.18 - Step 6: Final answer
x = 98,746.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.