Finding the Fourth Proportional to 127,149.48, 175,066.20 and 107,988.12
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Solution
The fourth proportional to 127,149.48, 175,066.20 and 107,988.12 is: 148,683.82
Step by Step Solution
- Step 1: Write the proportion equation
127,149.48 : 175,066.20 = 107,988.12 : x - Step 2: Convert to fraction form
127,149.48/175,066.20 = 107,988.12/x - Step 3: Cross multiply
127,149.48x = 175,066.20 × 107,988.12 - Step 4: Simplify right side
127,149.48x = 18,905,069,813.54 - Step 5: Solve for x
x = 18,905,069,813.54/127,149.48 - Step 6: Final answer
x = 148,683.82
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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.