Finding the Fourth Proportional to 107,962.34, 149,017.67 and 62,654.92
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Solution
The fourth proportional to 107,962.34, 149,017.67 and 62,654.92 is: 86,480.99
Step by Step Solution
- Step 1: Write the proportion equation
107,962.34 : 149,017.67 = 62,654.92 : x - Step 2: Convert to fraction form
107,962.34/149,017.67 = 62,654.92/x - Step 3: Cross multiply
107,962.34x = 149,017.67 × 62,654.92 - Step 4: Simplify right side
107,962.34x = 9,336,690,094.01 - Step 5: Solve for x
x = 9,336,690,094.01/107,962.34 - Step 6: Final answer
x = 86,480.99
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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.