Finding the Fourth Proportional to 107,035.80, 147,569.36 and 92,089.01
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Solution
The fourth proportional to 107,035.80, 147,569.36 and 92,089.01 is: 126,962.33
Step by Step Solution
- Step 1: Write the proportion equation
107,035.80 : 147,569.36 = 92,089.01 : x - Step 2: Convert to fraction form
107,035.80/147,569.36 = 92,089.01/x - Step 3: Cross multiply
107,035.80x = 147,569.36 × 92,089.01 - Step 4: Simplify right side
107,035.80x = 13,589,515,070.44 - Step 5: Solve for x
x = 13,589,515,070.44/107,035.80 - Step 6: Final answer
x = 126,962.33
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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.