Finding the Fourth Proportional to 136,214.76, 187,869.85 and 88,483.48
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Solution
The fourth proportional to 136,214.76, 187,869.85 and 88,483.48 is: 122,038.01
Step by Step Solution
- Step 1: Write the proportion equation
136,214.76 : 187,869.85 = 88,483.48 : x - Step 2: Convert to fraction form
136,214.76/187,869.85 = 88,483.48/x - Step 3: Cross multiply
136,214.76x = 187,869.85 × 88,483.48 - Step 4: Simplify right side
136,214.76x = 16,623,378,115.08 - Step 5: Solve for x
x = 16,623,378,115.08/136,214.76 - Step 6: Final answer
x = 122,038.01
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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.