Finding the Fourth Proportional to 170,905.41, 235,750.91 and 102,875.13
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Solution
The fourth proportional to 170,905.41, 235,750.91 and 102,875.13 is: 141,908.35
Step by Step Solution
- Step 1: Write the proportion equation
170,905.41 : 235,750.91 = 102,875.13 : x - Step 2: Convert to fraction form
170,905.41/235,750.91 = 102,875.13/x - Step 3: Cross multiply
170,905.41x = 235,750.91 × 102,875.13 - Step 4: Simplify right side
170,905.41x = 24,252,904,999.49 - Step 5: Solve for x
x = 24,252,904,999.49/170,905.41 - Step 6: Final answer
x = 141,908.35
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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.