Finding the Fourth Proportional to 119,743.11, 165,246.62 and 66,030.05
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Solution
The fourth proportional to 119,743.11, 165,246.62 and 66,030.05 is: 91,122.09
Step by Step Solution
- Step 1: Write the proportion equation
119,743.11 : 165,246.62 = 66,030.05 : x - Step 2: Convert to fraction form
119,743.11/165,246.62 = 66,030.05/x - Step 3: Cross multiply
119,743.11x = 165,246.62 × 66,030.05 - Step 4: Simplify right side
119,743.11x = 10,911,242,663.90 - Step 5: Solve for x
x = 10,911,242,663.90/119,743.11 - Step 6: Final answer
x = 91,122.09
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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.