Finding the Fourth Proportional to 180,748.05, 249,425.91 and 100,183.07
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Solution
The fourth proportional to 180,748.05, 249,425.91 and 100,183.07 is: 138,249.08
Step by Step Solution
- Step 1: Write the proportion equation
180,748.05 : 249,425.91 = 100,183.07 : x - Step 2: Convert to fraction form
180,748.05/249,425.91 = 100,183.07/x - Step 3: Cross multiply
180,748.05x = 249,425.91 × 100,183.07 - Step 4: Simplify right side
180,748.05x = 24,988,252,154.21 - Step 5: Solve for x
x = 24,988,252,154.21/180,748.05 - Step 6: Final answer
x = 138,249.08
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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.