Finding the Fourth Proportional to 107,698.17, 148,612.74 and 62,390.75
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Solution
The fourth proportional to 107,698.17, 148,612.74 and 62,390.75 is: 86,093.01
Step by Step Solution
- Step 1: Write the proportion equation
107,698.17 : 148,612.74 = 62,390.75 : x - Step 2: Convert to fraction form
107,698.17/148,612.74 = 62,390.75/x - Step 3: Cross multiply
107,698.17x = 148,612.74 × 62,390.75 - Step 4: Simplify right side
107,698.17x = 9,272,059,565.09 - Step 5: Solve for x
x = 9,272,059,565.09/107,698.17 - Step 6: Final answer
x = 86,093.01
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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.