Finding the Fourth Proportional to 180,699.03, 249,365.12 and 100,125.90
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Solution
The fourth proportional to 180,699.03, 249,365.12 and 100,125.90 is: 138,173.99
Step by Step Solution
- Step 1: Write the proportion equation
180,699.03 : 249,365.12 = 100,125.90 : x - Step 2: Convert to fraction form
180,699.03/249,365.12 = 100,125.90/x - Step 3: Cross multiply
180,699.03x = 249,365.12 × 100,125.90 - Step 4: Simplify right side
180,699.03x = 24,967,906,567.98 - Step 5: Solve for x
x = 24,967,906,567.98/180,699.03 - Step 6: Final answer
x = 138,173.99
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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.