Finding the Fourth Proportional to 180,543.62, 249,147.14 and 99,969.41
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Solution
The fourth proportional to 180,543.62, 249,147.14 and 99,969.41 is: 137,956.09
Step by Step Solution
- Step 1: Write the proportion equation
180,543.62 : 249,147.14 = 99,969.41 : x - Step 2: Convert to fraction form
180,543.62/249,147.14 = 99,969.41/x - Step 3: Cross multiply
180,543.62x = 249,147.14 × 99,969.41 - Step 4: Simplify right side
180,543.62x = 24,907,092,712.01 - Step 5: Solve for x
x = 24,907,092,712.01/180,543.62 - Step 6: Final answer
x = 137,956.09
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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.