Finding the Fourth Proportional to 119,909.99, 165,476.03 and 66,195.07
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Solution
The fourth proportional to 119,909.99, 165,476.03 and 66,195.07 is: 91,349.33
Step by Step Solution
- Step 1: Write the proportion equation
119,909.99 : 165,476.03 = 66,195.07 : x - Step 2: Convert to fraction form
119,909.99/165,476.03 = 66,195.07/x - Step 3: Cross multiply
119,909.99x = 165,476.03 × 66,195.07 - Step 4: Simplify right side
119,909.99x = 10,953,697,389.17 - Step 5: Solve for x
x = 10,953,697,389.17/119,909.99 - Step 6: Final answer
x = 91,349.33
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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.