Finding the Fourth Proportional to 119,565.80, 164,994.48 and 68,575.88
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Solution
The fourth proportional to 119,565.80, 164,994.48 and 68,575.88 is: 94,631.09
Step by Step Solution
- Step 1: Write the proportion equation
119,565.80 : 164,994.48 = 68,575.88 : x - Step 2: Convert to fraction form
119,565.80/164,994.48 = 68,575.88/x - Step 3: Cross multiply
119,565.80x = 164,994.48 × 68,575.88 - Step 4: Simplify right side
119,565.80x = 11,314,641,661.14 - Step 5: Solve for x
x = 11,314,641,661.14/119,565.80 - Step 6: Final answer
x = 94,631.09
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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.