Finding the Fourth Proportional to 107,739.30, 148,698.68 and 62,445.17
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Solution
The fourth proportional to 107,739.30, 148,698.68 and 62,445.17 is: 86,185.02
Step by Step Solution
- Step 1: Write the proportion equation
107,739.30 : 148,698.68 = 62,445.17 : x - Step 2: Convert to fraction form
107,739.30/148,698.68 = 62,445.17/x - Step 3: Cross multiply
107,739.30x = 148,698.68 × 62,445.17 - Step 4: Simplify right side
107,739.30x = 9,285,513,295.66 - Step 5: Solve for x
x = 9,285,513,295.66/107,739.30 - Step 6: Final answer
x = 86,185.02
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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.