Finding the Fourth Proportional to 107,203.35, 147,892.09 and 66,927.04
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Solution
The fourth proportional to 107,203.35, 147,892.09 and 66,927.04 is: 92,329.02
Step by Step Solution
- Step 1: Write the proportion equation
107,203.35 : 147,892.09 = 66,927.04 : x - Step 2: Convert to fraction form
107,203.35/147,892.09 = 66,927.04/x - Step 3: Cross multiply
107,203.35x = 147,892.09 × 66,927.04 - Step 4: Simplify right side
107,203.35x = 9,897,979,823.11 - Step 5: Solve for x
x = 9,897,979,823.11/107,203.35 - Step 6: Final answer
x = 92,329.02
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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.